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, before diving into a discussion (or debate) about vulnerable code patterns.

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Gitlab CVE

https://github.com/Vozec/CVE-2023-7028

https://about.gitlab.com/releases/2024/01/11/critical-security-release-gitlab-16-7-2-released/

Fix commit: https://gitlab.com/gitlab-org/gitlab/-/commit/abe79e4ec437988cf16534a9dbba81b98a2e7f18

Invisible Prompt Injection

https://x.com/goodside/status/1745511940351287394?s=20

Regex 101

https://regex101.com

Regex to Strings

https://www.wimpyprogrammer.com/regex-to-strings/

Timestamps

(00:00:00) Introduction

(00:01:54) Joel’s H1 Data Scraping Research

(00:19:23) HackerNotes launch

(00:21:29) Gitlab CVE

(00:27:45) Invisible Prompt Injection

(00:33:52) Vulnerable Code Patterns

(00:37:51) Sanitization, but then modification of data afterward

(00:45:39) Auth check inside body of if statement

(00:48:15) sCheck for bad patterns with if, but then don't do any control flow

(00:50:21) Bad Regex

(01:00:36) Replace statements for sanitization

(01:04:32) Anything that allows you to call functions or control code flow in uncommon ways