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 137: How We Do AI-Assisted Whitebox Review, New CSPT Gadgets, and Tools from SLCyber

Episode 137: How We Do AI-Assisted Whitebox Review, New CSPT Gadgets, and Tools from SLCyber

Episode 137: In this episode of Critical Thinking - Bug Bounty Podcast Justin Gardner and Joseph Thacker reunite to talk about AI Hacking Assistants, CSPT and cache deception, and a bunch of tools lik...

28 Elo 202549min

Episode 136: Hacking Cluely, AI Prod Sec, and How To Not Get Sued with Jack Cable

Episode 136: Hacking Cluely, AI Prod Sec, and How To Not Get Sued with Jack Cable

Episode 136: In this episode of Critical Thinking - Bug Bounty Podcast, Joseph Thacker sits down with Jack Cable to get the scoop on a significant bug in Cluely’s desktop application, as well as the r...

21 Elo 202550min

Episode 135: Akamai's Ryan Barnett on WAFs, Unicode Confusables, and Triage Stories

Episode 135: Akamai's Ryan Barnett on WAFs, Unicode Confusables, and Triage Stories

Episode 135: In this episode of Critical Thinking - Bug Bounty Podcast Justin sits down with Ryan Barnett for a deep dive on WAFs. We also recap his Exploiting Unicode Normalization talk from DEFCON, ...

14 Elo 20251h 26min

Episode 134: XBOW - AI Hacking Agent and Human in the Loop with Diego Djurado

Episode 134: XBOW - AI Hacking Agent and Human in the Loop with Diego Djurado

Episode 134: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Diego Djurado to give us the scoop on XBOW. We cover a little about its architecture and approach to hunting, the...

4 Elo 20251h 53min

Episode 133: Building Hacker Communities - Bug Bounty Village, getDisclosed, and the LHE Squad

Episode 133: Building Hacker Communities - Bug Bounty Village, getDisclosed, and the LHE Squad

Episode 133: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Harley and Ari from H1 to talk some about community management roles within Bug Bounty, as well as discuss the ev...

31 Heinä 20251h 16min

Episode 132: Archive Testing Methodology with Mathias Karlsson

Episode 132: Archive Testing Methodology with Mathias Karlsson

Episode 132: In this episode of Critical Thinking - Bug Bounty Podcast, Justin Gardner is joined by Mathias Karlsson to discuss vulnerabilities associated with archives. They talk about his new tool, ...

24 Heinä 20251h 49min

Episode 131: SL Cyber Writeups, Bug Bounty Metastrategy, and Orphaned Github Commits

Episode 131: SL Cyber Writeups, Bug Bounty Metastrategy, and Orphaned Github Commits

Episode 131: In this episode of Critical Thinking - Bug Bounty Podcast we're covering Christmas in July with several banger articles from Searchlight Cyber, as well as covering things like Raycast for...

17 Heinä 202550min

Episode 130: Minecraft Hacks to Google Hacking Star - Valentino

Episode 130: Minecraft Hacks to Google Hacking Star - Valentino

Episode 130: In this episode of Critical Thinking - Bug Bounty Podcast Justin is joined by Valentino, who shares his journey from hacking Minecraft to becoming a Google hunter. He talks us through sev...

10 Heinä 20251h 8min