

Day[0]
dayzerosec
A weekly podcast for bounty hunters, exploit developers or anyone interesting in the details of the latest disclosed vulnerabilities and exploits.
Episodes
Mentioned books

Mar 20, 2024 • 30min
[binary] Bypassing KASLR and a FortiGate RCE
Bit of a lighter episode this week with a Linux Kernel ASLR bypass and a clever exploit to RCE FortiGate SSL VPN.
Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/252.html
[00:00:00] Introduction
[00:00:29] KASLR bypass in privilege-less containers
[00:13:13] Two Bytes is Plenty: FortiGate RCE with CVE-2024-21762
[00:19:32] Making Mojo Exploits More Difficult
[00:22:57] Robots Dream of Root Shells
[00:27:02] Gaining kernel code execution on an MTE-enabled Pixel 8
[00:28:23] SMM isolation - Security policy reporting (ISSR)
Podcast 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/dayzerosec
You can also join our discord: https://discord.gg/daTxTK9

Mar 19, 2024 • 43min
[bounty] RCE'ing Mailspring and a .NET CRLF Injection
In this week's bounty episode, an attack takes an XSS to RCE on Mailspring, a simple MFA bypass is covered, and a .NET CRLF injection is detailed in its FTP functionality.
Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/251.html
[00:00:00] Introduction
[00:00:20] Making Desync attacks easy with TRACE
[00:16:01] Reply to calc: The Attack Chain to Compromise Mailspring
[00:35:29] $600 Simple MFA Bypass with GraphQL
[00:38:38] Microsoft .NET CRLF Injection Arbitrary File Write/Deletion Vulnerability [CVE-2023-36049]
Podcast 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/dayzerosec
You can also join our discord: https://discord.gg/daTxTK9

Mar 13, 2024 • 47min
[binary] Future of Exploit Development Followup
In the 250th episode, we have a follow-up discussion to our "Future of
Exploit Development" video from 2020. Memory safety and the impacts of
modern mitigations on memory corruption are the main focus.

Mar 12, 2024 • 46min
[bounty] libXPC to Root and Digital Lockpicking
In this episode we have an libXPC root privilege escalation, a run-as debuggability check bypass in Android, and digital lockpicking on smart locks.
Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/249.html
[00:00:00] Introduction
[00:00:21] Progress OpenEdge Authentication Bypass Deep-Dive [CVE-2024-1403]
[00:05:19] xpcroleaccountd Root Privilege Escalation [CVE-2023-42942]
[00:10:50] Bypassing the “run-as” debuggability check on Android via newline injection
[00:18:09] Say Friend and Enter: Digitally lockpicking an advanced smart lock (Part 2: discovered vulnerabilities)
[00:43:06] Using form hijacking to bypass CSP
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

Mar 6, 2024 • 41min
[binary] Binary Ninja Free and K-LEAK
In this week's binary episode, Binary Ninja Free releases along with Binja 4.0, automated infoleak exploit generation for the Linux kernel is explored, and Nintendo sues Yuzu.
Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/248.html
[00:00:00] Introduction
[00:00:31] Binary Ninja Free
[00:10:25] K-LEAK: Towards Automating the Generation of Multi-Step Infoleak Exploits against the Linux Kernel
[00:19:53] Glitching in 3D: Low Cost EMFI Attacks
[00:22:08] Nintendo vs. Yuzu
[00:38:32] Finding Gadgets for CPU Side-Channels with Static Analysis Tools
[00:40:12] ThinkstScapes Research Roundup - Q4 - 2023
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

Mar 5, 2024 • 30min
[bounty] Hacking Google AI and SAML
A shorter episode this week, featuring some vulnerabilities impacting Google's AI and a SAML auth bypass.
Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/247.html
[00:00:00] Introduction
[00:00:31] We Hacked Google A.I. for $50,000
[00:17:26] SAML authentication bypass vulnerability in RobotsAndPencils/go-saml [CVE-2023-48703]
[00:22:17] Exploiting CSP Wildcards for Google Domains
[00:26:11] ReqsMiner: Automated Discovery of CDN Forwarding Request Inconsistencies and DoS Attacks with Grammar-based Fuzzing
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

Feb 28, 2024 • 40min
[binary] Rust Memory Corruption???
VirtualBox has a very buggy driver, PostgreSQL has an Out of Bounds Access, and lifetime issues are demonstrated in Rust in "safe" code.
Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/246.html
[00:00:00] Introduction
[00:00:22] cve-rs
[00:18:28] Oracle VM VirtualBox: Intra-Object Out-Of-Bounds Write in virtioNetR3CtrlVlan
[00:32:30] PostgreSQL: Array Set Element Memory Corruption
[00:35:06] Analyzing the Google Chrome V8 CVE-2024-0517 Out-of-Bounds Code Execution Vulnerability
[00:37:15] Continuously fuzzing Python C extensions
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

Feb 27, 2024 • 49min
[bounty] A PHP and Joomla Bug and some DOM Clobbering
This week's episode features a cache deception issue, Joomla inherits a PHP bug, and a DOM clobbering exploit. Also covered is a race condition in Chrome's extension API published by project zero.
Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/245.html
[00:00:00] Introduction
[00:00:21] Cache Deception Without Path Confusion
[00:07:15] Hello Lucee! Let us hack Apple again?
[00:14:41] Joomla: PHP Bug Introduces Multiple XSS Vulnerabilities
[00:26:37] Go Go XSS Gadgets: Chaining a DOM Clobbering Exploit in the Wild
[00:38:23] chrome.pageCapture.saveAsMHTML() extension API can be used on blocked origins due to racy access check
[00:42:28] 🎮 Diving Back into Games-related Bugs!
[00:44:43] Exploiting Empire C2 Framework
[00:46:19] iMessage with PQ3: The new state of the art in quantum-secure messaging at scale
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

Feb 21, 2024 • 52min
[binary] Linux Burns Down CVEs
Linux becomes a CNA and takes a stance on managing CVEs for themselves, and underutilized fuzzing strategies are discussed.
Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/244.html
[00:00:00] Introduction
[00:00:14] What to do about CVE numbers
- The first article we bring up is the 2019 LWN article able Greg's talk back then. The topic itself is a more recent change actually moving forward.
[00:26:50] Bug - Double free on `dcm_dataset_insert` · Issue #82 · ImagingDataCommons/libdicom
[00:31:48] Buffer Overflow Vulnerabilities in KiTTY Start Duplicated Session Hostname (CVE-2024-25003) & Username (CVE-2024-25004) Variables
[00:38:35] Underutilized Fuzzing Strategies for Modern Software Testing
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

Feb 20, 2024 • 47min
[bounty] GhostCMS, ClamAV, and the Top Web Hacking Techniques of 2023
In this bounty episode, some straightforward bugs were disclosed in GhostCMS and ClamAV, and Portswigger publishes their top 10 list of web hacking techniques from 2023.
Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/243.html
[00:00:00] Introduction
[00:02:15] Ghost CMS Stored XSS Leading to Owner Takeover [CVE-2024-23724]
[00:16:07] ClamAV Not So Calm [CVE-2024-20328]
[00:21:00] Top 10 web hacking techniques of 2023
[00:44:46] Hacking a Smart Home Device
[00:48:15] Cloud cryptography demystified: Amazon Web Services
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