[bounty] Facebook Account Takeovers and a vBulletin RCE

Day[0] - Un pódcast de dayzerosec

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Is it possible to escalate a self-XSS into an account takeover? Perhaps, we take a look at some potential options by abusing single-sign on. Then we take a look at a few Facebook/Meta authentication issues, and a deserialization trick to increase the usable classes in PHP. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/185.html [00:00:00] Introduction [00:00:21] Single-Sign On Gadgets: Escalate (Self-)XSS to Account Takeover [00:11:11] Account takeover of Facebook/Oculus accounts due to First-Party access_token stealing [00:14:00] DOM-XSS in Instant Games due to improper verification of supplied URLs [00:18:55] Account Takeover in Canvas Apps served in Comet due to failure in Cross-Window-Message Origin validation [00:29:33] Unserializable, but unreachable: Remote code execution on vBulletin [00:34:54] Lexmark MC3224adwe RCE exploit The DAY[0] Podcast episodes are streamed live on Twitch twice a week:  -- Mondays at 3:00pm Eastern (Boston) we focus on web and more bug bounty style vulnerabilities  -- Tuesdays at 7:00pm Eastern (Boston) we focus on lower-level vulnerabilities  and exploits. We are also 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/dayzerosec You can also join our discord: https://discord.gg/daTxTK9

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