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Mar 2024
1h 8m

Episode 64: .NET Remoting, CDN Attack Su...

Justin Gardner (Rhynorater) & Joseph Thacker (Rez0)
About this episode

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.

Follow us on twitter at: @ctbbpodcast

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.

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

Resources:

.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

Timestamps:

(00:00:00) Introduction

(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

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