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Episode 70: NahamCon and CSP Bypasses Everywhere

Episode 70: In this episode of Critical Thinking - Bug Bounty Podcast we’re once again joined by Ben Sadeghipour to talk about some Nahamcon news, as well as discuss a couple other LHE’s taking place. Then they cover CI/CD an...

Recent Episodes

Episode 69: Johan Carlsson - 3 Month Check-in on Full-time Bug Bounty.

Episode 68: 0-days & HTMX-SS with Mathias

Episode 67: VDPs & Accidental Program VS Hacker Debate Part 2

Episode 66: CDN-CGI Resarch, Intent To Ship, and Louis Vuitton

Episode 65: Motivation and Methodology with Sam Curry (Zlz)

About the Hosts

Justin Gardner (@rhynorater)

Full-time Bug Bounty Hunter

Justin is a full-time bug bounty hunter and top-ranked live hacking event competitor. He has taken home two Most Valuable Hacker awards and countless other 1st place & 2nd place trophies.

While Justin specializes in web hacking, he also dabbles in IoT and mobile hacking. He is also the HackerOne Ambassador for the Eastern US region.

Outside of hacking, Justin enjoys Volleyball, Brazilian Jiu Jitsu, and Real Estate investing.

Joel Margolis (@0xteknogeek)

AppSec @ Match Group

Joel is a appsec engineer at Match Group (the parent company of Tinder, Hinge, Plenty of Fish, OkCupid, Archer, and other dating apps). Joel is also a top bug bounty hunter and has participated and received awards in 30+ live hacking events.

Joel also has experience running a bug bounty program from his time with Uber and Tinder, so he understands the program side as well.

Outside of hacking, Joel enjoys hanging, playing Jazz music, playing with his dog, Max, and tinkering with his home automation system.

Fantastic pod

"So much great, fresh content. An absolute must for security researchers and engineers alike."

Great stuff by two goated hackers

"This podcast is incredible!! If you have any interest in cybersecurity, ethical hacking, or just tech in general then this is for you. Happy listening!"

Favorite Security Podcast

"Amazing content from two supremely talented hackers. A must-listen for anyone looking for high-quality security content."

The best bug bounty podcast

"Joel and Justin are extremely talented hackers sharing amazing insights into appsec. Give it a listen!"

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Critical Thinking - Bug Bounty Podcast

• By: Justin Gardner (Rhynorater) & Joel Margolis (teknogeek)
• 5.0 out of 5 stars 5.0 (2 ratings)

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A "by Hackers for Hackers" podcast focused on technical content ranging from bug bounty tips, to write-up explanations, to the latest hacking techniques.

Episode 70: NahamCon and CSP Bypasses Everywhere

Episode 70: In this episode of Critical Thinking - Bug Bounty Podcast we’re once again joined by Ben Sadeghipour to talk about some Nahamcon news, as well as discuss a couple other LHE’s taking place. Then they cover CI/CD and drop some cool CSP Bypasses.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest: https://twitter.com/NahamSec

https://www.nahamcon.com/

https://www.landh.tech/depi

Youtube CSP:

https://www.youtube.com/oembed?callback=alert()

https://maps.googleapis.com/maps/api/js?callback=alert()-print

Google APIs CSP

https://www.googleapis.com/customsearch/v1?callback=alert(1)

https://www.google.com/complete/search?client=chrome&q=123&jsonp=alert(1)//

CSP Bypass for opener.child.child.child.click()

https://octagon.net/blog/2022/05/29/bypass-csp-using-wordpress-by-abusing-same-origin-method-execution/

Timestamps:

(00:00:00) Introduction

(00:02:55) BSides Takeaways and hacking on Meta

(00:12:12) NahamCon News

(00:23:45) CI/CD and the launch of Depi

(00:33:29) CSP Bypasses

Episode 69: Johan Carlsson - 3 Month Check-in on Full-time Bug Bounty.

Episode 69: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Johan Carlsson to hear about some updates on his bug hunting journey. We deep-dive a CSP bypass he found in GitHub, a critical he found in GitLab's pipeline, and also talk through his approach to using script gadgets and adapting to highly CSP'd environments. Then we talk about his transition to full-time bug hunting, including the goals he’s set, the successes and challenges, and his current focus on specific bug types like ReDoS and OAuth, and the serendipitous nature of bug hunting.

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Nuclei 3.2 Release: https://nux.gg/podcast

Today’s Guest:

https://twitter.com/joaxcar

https://joaxcar.com/blog/

Github CSP Bypass

https://gist.github.com/joaxcar/6e5a0a34127704f4ea9449f6ce3369fc

CSP Validator

https://cspvalidator.org/

Cross Window Forgery

https://www.paulosyibelo.com/2024/02/cross-window-forgery-web-attack-vector.html

Gitlab Crit

https://gist.github.com/joaxcar/9419b2df8778f26e9b02a741a8ec12f8

(00:09:34) Github CSP Bypass

(00:38:48) Script Gadgets and growth through Gitlab

(00:53:53) Gitlab pipeline bug

(01:12:32) Full-time Bug Bounty

Episode 68: 0-days & HTMX-SS with Mathias

Episode 68: In this episode of Critical Thinking - Bug Bounty Podcast Mathias is back with some fresh HTMX research, including CSP bypass using HTMX triggers, converting client-side response header injection to XSS, bypassing HTMX disable, and the challenges of using HTMX in larger applications and the potential performance trade-offs. We also talk about the results of his recent CTF Challenge, and explore some more facets of CDN-CGI functionality.

Project Discovery Conference: https://nux.gg/hss24

https://twitter.com/avlidienbrunn

Masato Kinugawa's research on Teams

https://speakerdeck.com/masatokinugawa/how-i-hacked-microsoft-teams-and-got-150000-dollars-in-pwn2own?slide=33

subdomain-only 307 open redirect

https://avlidienbrunn.se/cdn-cgi/image/onerror=redirect/http://anything.avlidienbrunn.se

(00:05:18) CSP Bypass using HTML

(00:14:00) Converting client-side response header injection to XSS

(00:23:10) Bypassing hx-disable

(00:32:37) XSS-ing impossible elements

(00:38:22) CTF challenge Recap and knowing there's a bug

(00:51:53) hx-on (depreciated)

(00:54:30) CDN-CGI Research discussion

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• Kris Roberts

great information

as someone who is still very new to the industry, I like listening to this podcast as I find the information very useful

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Critical Thinking - Bug Bounty Podcast

By justin gardner (rhynorater) & joel margolis (teknogeek).

A "by Hackers for Hackers" podcast focused on technical content ranging from bug bounty tips, to write-up explanations, to the latest hacking techniques.

Podcast episodes

Episode 70: NahamCon and CSP Bypasses Everywhere

Episode 70: In this episode of Critical Thinking - Bug Bounty Podcast we’re once again joined by Ben Sadeghipour to talk about some Nahamcon news, as well as discuss a couple other LHE’s taking place. Then they cover CI/CD and drop some cool CSP Bypasses. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: [email protected] Shoutout to YTCracker for the awesome intro music! ------ Links ------ Follow your hosts Rhynorater & Teknogeek on twitter: https://twitter.com/0xteknogeek https://twitter.com/rhynorater ------ Ways to Support CTBBPodcast ------ Hop on the CTBB Discord at https://ctbb.show/discord! We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc. Today’s Guest: https://twitter.com/NahamSec https://www.nahamcon.com/ Resources: Depi https://www.landh.tech/depi Youtube CSP: https://www.youtube.com/oembed?callback=alert() Maps CSP: https://maps.googleapis.com/maps/api/js?callback=alert()-print Google APIs CSP https://www.googleapis.com/customsearch/v1?callback=alert(1) Google CSP https://www.google.com/complete/search?client=chrome&q=123&jsonp=alert(1)// CSP Bypass for opener.child.child.child.click() https://octagon.net/blog/2022/05/29/bypass-csp-using-wordpress-by-abusing-same-origin-method-execution/ Timestamps: (00:00:00) Introduction (00:02:55) BSides Takeaways and hacking on Meta (00:12:12) NahamCon News (00:23:45) CI/CD and the launch of Depi (00:33:29) CSP Bypasses

Episode 69: Johan Carlsson - 3 Month Check-in on Full-time Bug Bounty.

Episode 69: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Johan Carlsson to hear about some updates on his bug hunting journey. We deep-dive a CSP bypass he found in GitHub, a critical he found in GitLab's pipeline, and also talk through his approach to using script gadgets and adapting to highly CSP'd environments. Then we talk about his transition to full-time bug hunting, including the goals he’s set, the successes and challenges, and his current focus on specific bug types like ReDoS and OAuth, and the serendipitous nature of bug hunting. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: [email protected] Shoutout to YTCracker for the awesome intro music! ------ Links ------ Follow your hosts Rhynorater & Teknogeek on twitter: https://twitter.com/0xteknogeek https://twitter.com/rhynorater ------ Ways to Support CTBBPodcast ------ Hop on the CTBB Discord at https://ctbb.show/discord! We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc. Sign up for Caido using the referral code CTBBPODCAST for a 10% discount. Nuclei 3.2 Release: https://nux.gg/podcast Today’s Guest: https://twitter.com/joaxcar https://joaxcar.com/blog/ Resources Github CSP Bypass https://gist.github.com/joaxcar/6e5a0a34127704f4ea9449f6ce3369fc CSP Validator https://cspvalidator.org/ Cross Window Forgery https://www.paulosyibelo.com/2024/02/cross-window-forgery-web-attack-vector.html Gitlab Crit https://gist.github.com/joaxcar/9419b2df8778f26e9b02a741a8ec12f8 Timestamps (00:00:00) Introduction (00:09:34) Github CSP Bypass (00:38:48) Script Gadgets and growth through Gitlab (00:53:53) Gitlab pipeline bug (01:12:32) Full-time Bug Bounty

Episode 68: 0-days & HTMX-SS with Mathias

Episode 68: In this episode of Critical Thinking - Bug Bounty Podcast Mathias is back with some fresh HTMX research, including CSP bypass using HTMX triggers, converting client-side response header injection to XSS, bypassing HTMX disable, and the challenges of using HTMX in larger applications and the potential performance trade-offs. We also talk about the results of his recent CTF Challenge, and explore some more facets of CDN-CGI functionality. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: [email protected] Shoutout to YTCracker for the awesome intro music! ------ Links ------ Follow your hosts Rhynorater & Teknogeek on twitter: https://twitter.com/0xteknogeek https://twitter.com/rhynorater Project Discovery Conference: https://nux.gg/hss24 ------ Ways to Support CTBBPodcast ------ Hop on the CTBB Discord at https://ctbb.show/discord! We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc. Today’s Guest: https://twitter.com/avlidienbrunn Resources: Masato Kinugawa's research on Teams https://speakerdeck.com/masatokinugawa/how-i-hacked-microsoft-teams-and-got-150000-dollars-in-pwn2own?slide=33 subdomain-only 307 open redirect https://avlidienbrunn.se/cdn-cgi/image/onerror=redirect/http://anything.avlidienbrunn.se Timestamps (00:00:00) Introduction (00:05:18) CSP Bypass using HTML (00:14:00) Converting client-side response header injection to XSS (00:23:10) Bypassing hx-disable (00:32:37) XSS-ing impossible elements (00:38:22) CTF challenge Recap and knowing there's a bug (00:51:53) hx-on (depreciated) (00:54:30) CDN-CGI Research discussion

Episode 67: VDPs & Accidental Program VS Hacker Debate Part 2

Episode 67: In this episode of Critical Thinking - Bug Bounty Podcast we deepdive on the topic of Vulnerability Disclosure Programs (VDPs) and whether they are beneficial or not. We also touch on the topic of leaderboard accuracy, and continue the Program VS Hacker debate regarding allocating funds for bounties. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: [email protected] Shoutout to YTCracker for the awesome intro music! ------ Links ------ Follow your hosts Rhynorater & Teknogeek on twitter: https://twitter.com/0xteknogeek https://twitter.com/rhynorater Project Discovery Conference: https://nux.gg/hss24 ------ Ways to Support CTBBPodcast ------ Hop on the CTBB Discord at https://ctbb.show/discord! We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc. Resources: Nagli's Braindump on VDPs https://twitter.com/galnagli/status/1780174392003031515 Timestamps: (00:00:00) Introduction (00:05:37) VDP programs (00:34:10) Leaderboards (00:43:52) Hacker vs. Program debate Part 2 (01:07:24) Walling Off Endpoints

Episode 66: CDN-CGI Research, Intent To Ship, and Louis Vuitton

Episode 66: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel discuss the recent YesWeHack Louis Vuitton LHE, the importance of failure as growth in bug bounty, and Justin shares his research on CDN CGI. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: [email protected] Shoutout to YTCracker for the awesome intro music! ------ Links ------ Follow your hosts Rhynorater & Teknogeek on twitter: https://twitter.com/0xteknogeek https://twitter.com/rhynorater Project Discovery Conference: https://nux.gg/hss24 ------ Ways to Support CTBBPodcast ------ Hop on the CTBB Discord at https://ctbb.show/discord! We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc. Resources: YesWeHack Luis Vuitton LHE https://twitter.com/yeswehack/status/1776280653744554287 https://event.yeswehack.com/events/hack-me-im-famous-2 Caido Workflows https://github.com/caido/workflows Oauth Redirects https://twitter.com/Akshanshjaiswl/status/1724143813088940192 Bagipro Golden URL techniques https://hackerone.com/reports/431002 Roadmap I followed to make 15,000+$ Bounties in my first 8 months https://shreyaschavhan.notion.site/Roadmap-I-followed-to-make-15-000-Bounties-in-my-first-8-months-of-starting-out-and-my-journey-98b1b9ff621645c0b97d1e774992f300 Monke Hacks Blog https://monkehacks.beehiiv.com/ PortSwigger post https://x.com/PortSwiggerRes/status/1766087129908576760 post from Masato Kinugawa https://x.com/kinugawamasato/status/916393484147290113 Timestamps: (00:00:00) Introduction (00:04:19) Louis Vuitton LHE (00:13:57) Browser Market share (00:21:13) Justin's Bug of the Week (00:24:49) Caido Workflows (00:27:24) Oauth Redirects (00:32:24) Bug Bounty learning Methodology (00:41:03) 'Intent To Ship' (00:48:08) CDN-CGI Research

Episode 70: NahamCon and CSP Bypasses Everywhere Critical Thinking - Bug Bounty Podcast

Episode 70: In this episode of Critical Thinking - Bug Bounty Podcast we’re once again joined by Ben Sadeghipour to talk about some Nahamcon news, as well as discuss a couple other LHE’s taking place. Then they cover CI/CD and drop some cool CSP Bypasses. Follow us on twitter at: @ctbbpodcast We're new to this podcasting thing, so feel free to send us any feedback here: [email protected] Shoutout to YTCracker for the awesome intro music! ------ Links ------ Follow your hosts Rhynorater & Teknogeek on twitter: https://twitter.com/0xteknogeek https://twitter.com/rhynorater ------ Ways to Support CTBBPodcast ------ Hop on the CTBB Discord at https://ctbb.show/discord! We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc. Today’s Guest: https://twitter.com/NahamSec https://www.nahamcon.com/ Resources: Depi https://www.landh.tech/depi Youtube CSP: https://www.youtube.com/oembed?callback=alert() Maps CSP: https://maps.googleapis.com/maps/api/js?callback=alert()-print Google APIs CSP https://www.googleapis.com/customsearch/v1?callback=alert(1) Google CSP https://www.google.com/complete/search?client=chrome&q=123&jsonp=alert(1)// CSP Bypass for opener.child.child.child.click() https://octagon.net/blog/2022/05/29/bypass-csp-using-wordpress-by-abusing-same-origin-method-execution/ Timestamps: (00:00:00) Introduction (00:02:55) BSides Takeaways and hacking on Meta (00:12:12) NahamCon News (00:23:45) CI/CD and the launch of Depi (00:33:29) CSP Bypasses

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Episode 70: In this episode of Critical Thinking - Bug Bounty Podcast we’re once again joined by Ben Sadeghipour to talk about some Nahamcon news, as well as discuss a couple other LHE’s taking place. Then they cover CI/CD and drop some cool CSP Bypasses.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest: https://twitter.com/NahamSec

https://www.nahamcon.com/

https://www.landh.tech/depi

Youtube CSP:

https://www.youtube.com/oembed?callback=alert()

https://maps.googleapis.com/maps/api/js?callback=alert()-print

Google APIs CSP

https://www.googleapis.com/customsearch/v1?callback=alert(1)

https://www.google.com/complete/search?client=chrome&q=123&jsonp=alert(1)//

CSP Bypass for opener.child.child.child.click()

https://octagon.net/blog/2022/05/29/bypass-csp-using-wordpress-by-abusing-same-origin-method-execution/

Timestamps:

(00:00:00) Introduction

(00:02:55) BSides Takeaways and hacking on Meta

(00:12:12) NahamCon News

(00:23:45) CI/CD and the launch of Depi

(00:33:29) CSP Bypasses

Episode 69: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Johan Carlsson to hear about some updates on his bug hunting journey. We deep-dive a CSP bypass he found in GitHub, a critical he found in GitLab's pipeline, and also talk through his approach to using script gadgets and adapting to highly CSP'd environments. Then we talk about his transition to full-time bug hunting, including the goals he’s set, the successes and challenges, and his current focus on specific bug types like ReDoS and OAuth, and the serendipitous nature of bug hunting.

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Nuclei 3.2 Release: https://nux.gg/podcast

Today’s Guest:

https://twitter.com/joaxcar

https://joaxcar.com/blog/

Github CSP Bypass

https://gist.github.com/joaxcar/6e5a0a34127704f4ea9449f6ce3369fc

CSP Validator

https://cspvalidator.org/

Cross Window Forgery

https://www.paulosyibelo.com/2024/02/cross-window-forgery-web-attack-vector.html

Gitlab Crit

https://gist.github.com/joaxcar/9419b2df8778f26e9b02a741a8ec12f8

(00:09:34) Github CSP Bypass

(00:38:48) Script Gadgets and growth through Gitlab

(00:53:53) Gitlab pipeline bug

(01:12:32) Full-time Bug Bounty

Episode 68: In this episode of Critical Thinking - Bug Bounty Podcast Mathias is back with some fresh HTMX research, including CSP bypass using HTMX triggers, converting client-side response header injection to XSS, bypassing HTMX disable, and the challenges of using HTMX in larger applications and the potential performance trade-offs. We also talk about the results of his recent CTF Challenge, and explore some more facets of CDN-CGI functionality.

Project Discovery Conference: https://nux.gg/hss24

https://twitter.com/avlidienbrunn

Masato Kinugawa's research on Teams

https://speakerdeck.com/masatokinugawa/how-i-hacked-microsoft-teams-and-got-150000-dollars-in-pwn2own?slide=33

subdomain-only 307 open redirect

https://avlidienbrunn.se/cdn-cgi/image/onerror=redirect/http://anything.avlidienbrunn.se

(00:05:18) CSP Bypass using HTML

(00:14:00) Converting client-side response header injection to XSS

(00:23:10) Bypassing hx-disable

(00:32:37) XSS-ing impossible elements

(00:38:22) CTF challenge Recap and knowing there's a bug

(00:51:53) hx-on (depreciated)

(00:54:30) CDN-CGI Research discussion

Episode 67: In this episode of Critical Thinking - Bug Bounty Podcast we deepdive on the topic of Vulnerability Disclosure Programs (VDPs) and whether they are beneficial or not. We also touch on the topic of leaderboard accuracy, and continue the Program VS Hacker debate regarding allocating funds for bounties.

Nagli's Braindump on VDPs

https://twitter.com/galnagli/status/1780174392003031515

(00:05:37) VDP programs

(00:34:10) Leaderboards

(00:43:52) Hacker vs. Program debate Part 2

(01:07:24) Walling Off Endpoints

Episode 66: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel discuss the recent YesWeHack Louis Vuitton LHE, the importance of failure as growth in bug bounty, and Justin shares his research on CDN CGI.

YesWeHack Luis Vuitton LHE

https://twitter.com/yeswehack/status/1776280653744554287

https://event.yeswehack.com/events/hack-me-im-famous-2

Caido Workflows

https://github.com/caido/workflows

Oauth Redirects

https://twitter.com/Akshanshjaiswl/status/1724143813088940192

Bagipro Golden URL techniques

https://hackerone.com/reports/431002

Roadmap I followed to make 15,000+$ Bounties in my first 8 months https://shreyaschavhan.notion.site/Roadmap-I-followed-to-make-15-000-Bounties-in-my-first-8-months-of-starting-out-and-my-journey-98b1b9ff621645c0b97d1e774992f300

Monke Hacks Blog

https://monkehacks.beehiiv.com/

PortSwigger post

https://x.com/PortSwiggerRes/status/1766087129908576760

post from Masato Kinugawa

https://x.com/kinugawamasato/status/916393484147290113

(00:04:19) Louis Vuitton LHE

(00:13:57) Browser Market share

(00:21:13) Justin's Bug of the Week

(00:24:49) Caido Workflows

(00:27:24) Oauth Redirects

(00:32:24) Bug Bounty learning Methodology

(00:41:03) 'Intent To Ship'

(00:48:08) CDN-CGI Research

Episode 65: In this episode of Critical Thinking - Bug Bounty Podcast we sit down with Sam Curry to discuss the ethical considerations and effectiveness of hacking, the importance of good intent, and the enjoyment Sam derives from pushing the boundaries to find bugs. He shares stories of his experiences, including hacking Tesla, online casinos,Starbucks, his own is ISP router, and even getting detained at the airport.

https://samcurry.net/

Don’t Force Yourself to Become a Bug Bounty Hunter

hackcompute

Starbucks Bug

(00:02:25) Hacking Journey and the limits of Ethical Hacking

(00:28:28) Selecting companies to hack

(00:33:22) Fostering passion vs. Forcing performance

(00:54:06) Collaboration and Hackcompute

(01:00:40) The Efficacy of Bug Bounty

(01:09:20) Secondary Context Bugs

(01:25:01) Mindmaps, note-taking, and Intuition.

(01:46:56) Back-end traversals and Unicode

(01:56:16) Hacking ISP

(02:06:58) Next.js and Crypto

(02:22:24) Dev vs. Prod JWT

Episode 64: In this episode of Critical Thinking - Bug Bounty Podcast we talk about Justin and Joel delve into .NET remoting and how it can be exploited, a recent bypass in the Dom Purify library and some interesting functionality in the Cloudflare CDN-CGI endpoint. They also touch on the importance of collaboration and knowledge sharing, JavaScript Deobfuscation, the value of impactful POCs, hiding XSS payloads with URL path updates.

send us any feedback here: info@criticalthinkingpodcast.io

Check out Project Discovery’s nuclei 3.2 release blog at nux.gg/podcast

.NET Remoting

https://code-white.com/blog/leaking-objrefs-to-exploit-http-dotnet-remoting/

https://github.com/codewhitesec/HttpRemotingObjRefLeak

DOM Purify Bug

Cloudflare /cdn-cgi/

https://developers.cloudflare.com/fundamentals/reference/cdn-cgi-endpoint/

https://portswigger.net/research/when-security-features-collide

https://twitter.com/kinugawamasato/status/893404078365069312

https://twitter.com/m4ll0k/status/1770153059496108231

XSSDoctor's writeup on Javascript deobfuscation

renniepak's tweet

Naffy's tweet

(00:07:15) .Net Remoting

(00:17:29) DOM Purify Bug

(00:25:56) Cloudflare /cdn-cgi/

(00:37:11) Javascript deobfuscation

(00:47:26) renniepak's tweet

(00:55:20) Naffy's tweet

Episode 63: In this episode of Critical Thinking - Bug Bounty Podcast we welcome back Jason Haddix (From Episode 12) to talk about some updates to his The Bug Hunter's Methodology, as well as his own personal life and hacking journey. We talk about the start of his new company, and then venture into topics such as using threat intelligence and buying credentials from the dark web, recon techniques, and ways to integrate AI into your workflow (or target list).

https://twitter.com/Jhaddix

https://www.arcanum-sec.com/

https://www.dehashed.com/

https://flare.io/

https://github.com/edoardottt/csprecon

(00:05:37) Updates to The Bug Hunter's Methodology

(00:14:46) Red Teaming

(00:21:29) Bug Bounty on the Dark Web

(00:36:19) FIS hunting

(00:47:59) New Recon Techniques

(00:58:32) AI integrations and bounties

Episode 62: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel are back with some additional research resources that didn’t make the Portswigger Top-Ten, but that are worth looking at.

Feel free to send us any feedback here: info@criticalthinkingpodcast.io

Cool HTML Shit

https://twitter.com/jcubic/status/1764311080661082201

https://twitter.com/encodeart/status/1764218128374943764

Bug bounty Hunting Journeys

https://twitter.com/ajxchapman/status/1762101366057525521

https://monkehacks.beehiiv.com/p/monkehacks-02

Yelp Cookie Bridge Report

Deobfuscating/Unminifying Obfuscated Code

ChatGPT Source Watch

Web Security Research Reddit

Nahamsec Resources

Portswigger Nominations list

Abusing perspectives: https://hackerone.com/reports/2401115

PortSwigger CSS Exfiltration

https://github.com/PortSwigger/css-exfiltration

(00:02:06) Cool HTML Shit

(00:15:31) Bug Bounty Journeys

(00:28:01) Yelp Cookie Bridge Bug

(00:37:56) Additional Research Resources

(00:46:34) CSS and abusing perspectives

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Critical Thinking - Bug Bounty Podcast

A "by Hackers for Hackers" podcast focused on technical content ranging from bug bounty tips, to write-up explanations, to the latest hacking techniques.

.css-14f5ked{margin:0;word-break:break-word;display:-webkit-box;-webkit-box-orient:vertical;box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;} Episode 70: NahamCon and CSP Bypasses Everywhere

Episode 70: In this episode of Critical Thinking - Bug Bounty Podcast we’re once again joined by Ben Sadeghipour to talk about some Nahamcon news, as well as discuss a couple other LHE’s taking place. Then they cover CI/CD and drop some cool CSP Bypasses.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: [email protected]

Shoutout to YTCracker for the awe...

.css-r6mb8g{margin:0;word-break:break-word;display:-webkit-box;-webkit-box-orient:vertical;box-orient:vertical;-webkit-line-clamp:1;overflow:hidden;} Episode 69: Johan Carlsson - 3 Month Check-in on Full-time Bug Bounty.

Episode 69: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Johan Carlsson to hear about some updates on his bug hunting journey. We deep-dive a CSP bypass he found in GitHub, a critical he found in GitLab's pipeline, and also talk through his approach to using script gadgets and adapting to highly CSP'd environments. Then we talk about his transition to full-time bug hunting, including the goals he’s set,...

Episode 68: 0-days & HTMX-SS with Mathias

Episode 68: In this episode of Critical Thinking - Bug Bounty Podcast Mathias is back with some fresh HTMX research, including CSP bypass using HTMX triggers, converting client-side response header injection to XSS, bypassing HTMX disable, and the challenges of using HTMX in larger applications and the potential performance trade-offs. We also talk about the results of his recent CTF Challenge, and explore some more facets of CDN-C...

Episode 67: VDPs & Accidental Program VS Hacker Debate Part 2

Episode 67: In this episode of Critical Thinking - Bug Bounty Podcast we deepdive on the topic of Vulnerability Disclosure Programs (VDPs) and whether they are beneficial or not. We also touch on the topic of leaderboard accuracy, and continue the Program VS Hacker debate regarding allocating funds for bounties.

We're new to this podcasting thing, so feel free to send us any feedback here: info@c...

Episode 66: CDN-CGI Research, Intent To Ship, and Louis Vuitton

Episode 66: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel discuss the recent YesWeHack Louis Vuitton LHE, the importance of failure as growth in bug bounty, and Justin shares his research on CDN CGI.

Shoutout to YTCracker for the awesome intro music!

------ Link...

Episode 65: Motivation and Methodology with Sam Curry (Zlz)

Episode 65: In this episode of Critical Thinking - Bug Bounty Podcast we sit down with Sam Curry to discuss the ethical considerations and effectiveness of hacking, the importance of good intent, and the enjoyment Sam derives from pushing the boundaries to find bugs. He shares stories of his experiences, including hacking Tesla, online casinos,Starbucks, his own is ISP router, and even getting detained at the airport.

Follow us on t...

Episode 64: .NET Remoting, CDN Attack Surface, and Recon vs Main App

Episode 64: In this episode of Critical Thinking - Bug Bounty Podcast we talk about Justin and Joel delve into .NET remoting and how it can be exploited, a recent bypass in the Dom Purify library and some interesting functionality in the Cloudflare CDN-CGI endpoint. They also touch on the importance of collaboration and knowledge sharing, JavaScript Deobfuscation, the value of impactful POCs, hiding XSS payloads with URL path updat...

Episode 63: JHaddix Returns

Episode 63: In this episode of Critical Thinking - Bug Bounty Podcast we welcome back Jason Haddix (From Episode 12) to talk about some updates to his The Bug Hunter's Methodology, as well as his own personal life and hacking journey. We talk about the start of his new company, and then venture into topics such as using threat intelligence and buying credentials from the dark web, recon techniques, and ways to integrate AI into you...

Episode 62: Frontend Language Oddities

Episode 62: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel are back with some additional research resources that didn’t make the Portswigger Top-Ten, but that are worth looking at.

Feel free to send us any feedback here: [email protected]

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twi...

Episode 61: A Hacker on Wall Street - JR0ch17

Episode 61: In this episode of Critical Thinking - Bug Bounty Podcast Justin is joined by Jasmin Landry to share some stories about startup security, bug bounty, and the challenges of balancing both. He also shares his methodology for discovering OAuth-related bugs, highlights some differences between structured learning and self-teaching, and then walks us through a couple arbitrary ATO’s and SSTI to RCE bugs he’s found lately.

Episode 60: Our Take on PortSwigger's Top 10 Web Hacking Techniques of 2023

Episode 60: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel review the Portswigger Research list of top 10 web hacking techniques of 2023.

Send us any feedback here: [email protected]

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Hop on the...

Episode 59: Bug Bounty Gadget Hunting & Hacker's Intuition

Episode 59: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel discuss the concept of gadgets and how they can be used to escalate the impact of vulnerabilities. We talk through things like HTML injection, image injection, CRLF injection, web cache deception, leaking window location, self-stored XSS, and much more.

We're new to this podcasting thing, so feel free to send us...

Episode 58: Youssef Sammouda - Client-Side & ATO War Stories

Episode 58: In this episode of Critical Thinking - Bug Bounty Podcast we finally sit down with Youssef Samouda and grill him on his various techniques for finding and exploiting client-side bugs and postMessage vulnerabilities. He shares some crazy stories about race conditions, exploiting hash change events, and leveraging scroll to text fragments. 

We're new to this podcasting thing, so fe...

Episode 57: Technical breakdown from Miami Hacking Event - H1-305

Episode 57: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel are live from Miami, and recap their experience and share takeaways from the live hacking event. They highlight the importance of paying attention to client-side routing and the growing bug class of client-side path traversal. They also discuss the challenges of knowing when to cut your losses and the value of tracking time and setting goals.&nbs...

Episode 56: Using Data Science to win Bug Bounty - Mayonaise (aka Jon Colston)

Episode 56: In this episode of Critical Thinking - Bug Bounty Podcast, Justin sits down with Jon Colston to discuss how his background in digital marketing and data science has influenced his hunting methodology. We dive into subjects like data sources, automation, working backwards from vulnerabilities, applying conversion funnels to bug bounty, and the ...

Episode 55: Popping WordPress Plugins - Methodology Braindump

Episode 55: In this episode of Critical Thinking - Bug Bounty Podcast, Justin is joined by Wordpress Security Researcher Ram Gall to discuss both functionality and vulnerabilities within Wordpress Plugins.

Follow us on twitter

Send us any feedback here :

WordFence - Sign u...

Episode 54: White Box Formulas - Vulnerable Coding Patterns

Episode 54: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel are back with news items and new projects. Joel shares about his personal scraping project to gather data on bug bounty programs and distribution Next, they announce the launch of HackerNotes, a podcast companion that will summarize the main technical points of each episode. They also discuss a recent GitLab CVE and an invisible prompt injection, ...

Episode 53: 500k/yr as Full-Time Bug Hunter & Content Creator - Nahamsec

Episode 53: In this episode of Critical Thinking - Bug Bounty Podcast,we’re joined by none other than NahamSec. We start by discusses the challenges he faced on his journey in bug bounty hunting and content creation, including personal struggles and the pressure of success.We also talk about finding balance and managing mental energy, going the extra mile, and the importance of planning and setting goals for yourself before he walk...

Episode 52: Best Technical Content from Year 1 of CTBB Podcast

Episode 52: In this episode of Critical Thinking - Bug Bounty Podcast we're going back and highlighting some of the best technical moments from the past year! Hope you enjoy this best of 2023 Supercut!

Follow your hosts ...

Episode 51: Hacker Stats 2023 & 2024 Goals

Episode 51: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel are back for the last episode of 2023. We discuss some noteworthy news items including a Hacker One Crit, Caido updates, and some Blind CSS. Then we dive into our own personal ‘Hackers Wrapped’ recap of the year, before laying out some goals for 2024.

We're new to this podcasting thing, so feel free to send us ...

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