ESP32 Backdoor Drama and SAML Auth Bypasses

Discussion this week starts with the ESP32 "backdoor" drama that circled the media, with some XML-based vulnerabilities in the mix. Finally, we cap off with a post on reviving modprobe_path for Linux exploitation, and some discussion around an attack chain against China that was attributed to the NSA.Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/277.html[00:00:00] Introduction[00:00:25] The ESP32 "backdoor" that wasn't[00:14:26] Speedrunners are vulnerability researchers[00:27:58] Sign in as anyone: Bypassing SAML SSO authentication with parser differentials[00:38:47] Impossible XXE in PHP[00:52:41] Reviving the modprobe_path Technique: Overcoming search_binary_handler() Patch[01:04:15] Trigon: developing a deterministic kernel exploit for iOS[01:06:43] An inside look at NSA (Equation Group) TTPs from China’s lensePodcast episodes are available on the usual podcast platforms: -- Apple Podcasts: https://podcasts.apple.com/us/podcast/id1484046063 -- Spotify: https://open.spotify.com/show/4NKCxk8aPEuEFuHsEQ9Tdt -- Google Podcasts: https://www.google.com/podcasts?feed=aHR0cHM6Ly9hbmNob3IuZm0vcy9hMTIxYTI0L3BvZGNhc3QvcnNz -- Other audio platforms can be found at https://anchor.fm/dayzerosecYou can also join our discord: https://discord.gg/daTxTK9