Day[0] [bounty] DEF CON, HardwearIO, Broken Caching, and Dropping Headers
We are back, and talking about our summer with a lengthy discussion about our DEF CON experiences before getting into some favorite issues from the summer. Including a neat twist on a PHP security feature that might be using in your bug bounty chains. A look at classic crypto issue (unauthenticated encrypted blobs), and an easily missed caching issue.
Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/215.html
[00:00:00] Introduction
[00:02:15] Summer Recap - HardwearIO
[00:11:51] Summer Recap - DEF CON
[00:49:20] CVE-2020-19909 is everything that is wrong with CVEs
[00:58:40] PHP servers drop any header if the header has "\r" [@OctagonNetworks]
[01:03:10] Encrypted Doesn't Mean Authenticated: ShareFile RCE [CVE-2023-24489]
[01:11:40] How Private Cache Can Lead to Mass Account Takeover
[01:15:20] From Terminal Output to Arbitrary Remote Code Execution
[01:16:37] Mashing Enter to bypass full disk encryption with TPM, Clevis, dracut and systemd
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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2023/09/26 00:57:11 215 - DEF CON, HardwearIO, Broken Caching, and Dropping Headers [Bug Bounty Podcast]
[bounty] DEF CON, HardwearIO, Broken Caching, and Dropping Headers
============================================
We are back, and talking about our summer with a lengthy discussion about our DEF CON experiences before getting into some favorite issues from the summer. Including a neat twist on a PHP security feature that might be using in your bug bounty chains. A look at classic crypto issue (unauthenticated encrypted blobs), and an easily missed caching issue.
Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/215.html
[00:00:00] Introduction
[00:02:15] Summer Recap - HardwearIO
[00:11:51] Summer Recap - DEF CON
[00:49:20] CVE-2020-19909 is everything that is wrong with CVEs
[00:58:40] PHP servers drop any header if the header has "\r" [@OctagonNetworks]
[01:03:10] Encrypted Doesn't Mean Authenticated: ShareFile RCE [CVE-2023-24489]
[01:11:40] How Private Cache Can Lead to Mass Account Takeover
[01:15:20] From Terminal Output to Arbitrary Remote Code Execution
[01:16:37] Mashing Enter to bypass full disk encryption with TPM, Clevis, dracut and systemd
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