Episode 46: The SAML Ramble
Critical Thinking - Bug Bounty Podcast23 Marras 2023

Episode 46: The SAML Ramble

Episode 46: In this episode of Critical Thinking - Bug Bounty Podcast, Justin is deep diving the topic of SAML (Security Assertion Markup Language), and walks through what it is and why it can be intimidating, before going over some key attack vectors to look for. Then he closes out with a commentary on a sample payload, and some HackerOne reports.

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 ------

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

KazHACKstan

https://kazhackstan.com/en

Testing SAML security with DAST

https://agrrrdog.blogspot.com/2023/01/testing-saml-security-with-dast.html

How to break SAML if I have paws?

https://speakerdeck.com/greendog/how-to-break-saml-if-i-have-paws?slide=20

How to Hunt Bugs in SAML; a Methodology

https://epi052.gitlab.io/notes-to-self/blog/2019-03-16-how-to-test-saml-a-methodology-part-three/

SAML Raider

https://portswigger.net/bappstore/c61cfa893bb14db4b01775554f7b802e

External Entity Injection during XML signature verification

https://bugs.chromium.org/p/project-zero/issues/detail?id=2313

mTLS: When certificate authentication is done wrong

https://github.blog/2023-08-17-mtls-when-certificate-authentication-is-done-wrong/

HackerOne Uber Report

https://hackerone.com/reports/136169

Timestamps:

(00:00:00) Introduction

(00:05:25) Understanding SAML and its complexities

(00:08:30) SAML Attack Vectors

(00:14:15) XML Signature Wrapping

(00:19:50) Some SAML tests to try

(00:30:30) Sample Payload description

(00:34:10) Token Recipient confusion

(00:36:05) HackerOne Reports

Jaksot(161)

Episode 129: Is this how Bug Bounty Ends?

Episode 129: Is this how Bug Bounty Ends?

Episode 129: In this episode of Critical Thinking - Bug Bounty Podcast we chat about the future of hack bots and human-AI collaboration, the challenges posed by tokenization, and the need for cybersec...

3 Heinä 202536min

Episode 128: New Research in Blind SSRF and Self-XSS, and How to Architect Source-code Review AI Bots

Episode 128: New Research in Blind SSRF and Self-XSS, and How to Architect Source-code Review AI Bots

Episode 128: In this episode of Critical Thinking - Bug Bounty Podcast we talking Blind SSRF and Self-XSS, as well as Reversing massive minified JS with AI and a wild Google Logo Ligature BugFollow us...

26 Kesä 202558min

Episode 127: Drama, PDF as JS Chaos, Bounty Profile Apps, And More

Episode 127: Drama, PDF as JS Chaos, Bounty Profile Apps, And More

Episode 127: In this episode of Critical Thinking - Bug Bounty Podcast we address some recent bug bounty controversy before jumping into a slew of news itemsFollow us on XShoutout to YTCracker for the...

19 Kesä 20251h 7min

Episode 126: Hacking AI Series: Vulnus ex Machina - Part 3

Episode 126: Hacking AI Series: Vulnus ex Machina - Part 3

Episode 126: In this episode of Critical Thinking - Bug Bounty Podcast we wrap up Rez0’s AI miniseries ‘Vulnus Ex Machina’. Part 3 includes a showcase of AI Vulns that Rez0 himself has found, and how ...

12 Kesä 202538min

Episode 125: How to Win Live Hacking Events

Episode 125: How to Win Live Hacking Events

Episode 125: In this episode of Critical Thinking - Bug Bounty Podcast Justin shares insights on how to succeed at live hacking events. We cover pre-event preparations, challenges of collaboration, on...

5 Kesä 202547min

Episode 124: Bug Bounty Lifestyle = Less Hacking Time?

Episode 124: Bug Bounty Lifestyle = Less Hacking Time?

Episode 124: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joseph cover some news from around the community, hitting on Joseph’s Anthropic safety testing, Justin’s guest appeara...

29 Touko 202545min

Episode 123: Hacking AI Series: Vulnus ex Machina - Part 2

Episode 123: Hacking AI Series: Vulnus ex Machina - Part 2

Episode 123: In this episode of Critical Thinking - Bug Bounty Podcast we’re back with part 2 of Rez0’s miniseries. Today we talk about mastering Prompt Injection, taxonomy of impact, and both trigger...

22 Touko 202544min

Episode 122: We Won Google's AI Hacking Event in Tokyo - Main Takeaways

Episode 122: We Won Google's AI Hacking Event in Tokyo - Main Takeaways

Episode 122: In this episode of Critical Thinking - Bug Bounty Podcast your boys are MVH winners! First we’re joined by Zak, to discuss the Google LHE as well as surprising us with a bug of his own! T...

15 Touko 20251h 45min