XetraSec @xetrasec
Vulnerability Researcher | Exploit Developer | Low Level 0days Hunter /dev/null Joined June 2021-
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The two bytes that make size matter: Reverse engineering Apple's iOS 0-click CVE-2025-43300 improved bounds checking fix, by Madimodi Diawara blog.quarkslab.com/patch-analysis…
My new article: "Kernel-hack-drill and a new approach to exploiting CVE-2024-50264 in the Linux kernel"⚡️ I tell a bug collision story and introduce my pet project kernel-hack-drill, which helped me to exploit the hard bug that received @PwnieAwards 2025 a13xp0p0v.github.io/2025/09/02/ker…
The issue in WhatsApp seems to be a logic vulnerability and appears to target users who have iMessage turned off, in order to trigger the ImageIO vulnerability.
The issue in WhatsApp seems to be a logic vulnerability and appears to target users who have iMessage turned off, in order to trigger the ImageIO vulnerability.
CVE-2025-55177, an authorization bypass in WhatsApp on iOS and Mac, allowed attackers to force "content from arbitrary URL" to be rendered on a target’s device.. A zero-click vulnerability recently patched by Apple (CVE-2025-43300) was also used in the WhatsApp attack 👀
After wrestling with a mess of decompiled pseudocode, we wrote a short analysis of CVE-2025-43300. In a twist of irony, we also show how we stumbled on another DNG parsing bug that was supposed to be fixed a few months ago. github.com/DarkNavySecuri…
Quantum ROP. This is really cool technique and needs more attention. By @BSypmn and Yahav Rahom. phrack.org/issues/72/12_md
This post demonstrates how bugs aren't always what they seem, especially when working with a decompiled version of the code. Compiler optimization or decompiler artifacts can mask or "fix" high-level code issues. #Apple #macOS #iOS afine.com/reverse-engine…
🚨 New blog post: ELEGANTBOUNCER - Catch iOS 0-click exploits without having the samples. Features iOS backup forensics & messaging app scanning for iMessage, WhatsApp, Signal, Telegram & Viber attachments. 🔗 Link -> msuiche.com/posts/elegantb…
Exploit and mini writeup for CVE-2025-5419. github.com/mistymntncop/C…
While reproducing the iOS ITW CVE-2025-43300 (support.apple.com/en-us/124925), we accidentally triggered another old DNG image parsing vulnerability. The analysis is still ongoing.
Brief info and POC for this week's Apple 0click iOS 18.6.1 RCE bug CVE-2025-43300 github.com/b1n4r1b01/n-da…
New blog post just dropped! West Shepherd breaks down extending the Mythic Poseidon agent for ARM64 Dylib injection on Apple Silicon. Details include: ✅ Shellcode construction ✅ Memory allocation ✅ Runtime patching ✅ Thread creation Read more ⤵️ ghst.ly/41Nu4ED
New blog post: A journey in Android physical memory - writeup on exploiting recent GPU bug CVE-2025-21479 dawnslab.jd.com/android_gpu_at…
I diffed RawCamera on iOS 18.6.1 and 18.6.2 Here's full Diaphora diff: mediafire.com/file/e2yp7m27r… 18.6.1: 1DD8A36DC 18.6.2: 1DD8A3684 I'm concern that the exploit may using CGImageSource and CGImageSourceCreateImageAtIndex since it got removed on lastest version
You can now read my WASM->JS escape write-up online. Full PoC is included at the end of the article. phrack.org/issues/72/10_m…
You can now read my WASM->JS escape write-up online. Full PoC is included at the end of the article. phrack.org/issues/72/10_m…
Great Phrack 72 article on IOKit. I’ve already covered all of these topics in my training. phrack.org/issues/72/9_md… x.com/R00tkitSMM/sta…
Great Phrack 72 article on IOKit. I’ve already covered all of these topics in my training. phrack.org/issues/72/9_md… x.com/R00tkitSMM/sta…
As promised Blogpost is here! I find that a lot of the times people ask “how can researchers find complex bugs” This is my small contribution to show how the journey looked for me. I presented this content at hitcon last week! bughunters.google.com/blog/580034147…
Low-Cost and Comprehensive Non-textual Input Fuzzing with LLM-Synthesized Input Generators usenix.org/conference/use…
@theori_io's AIxCC CRS has already found dozens of 0day vulnerabilities, and we've barely scratched the surface! The best part: it's open source, so there's no secrets to hide (at least in the AIxCC version 😉)! So, how does our CRS actually find these 0days? 🧵
So, how did our #AIxCC finalist RoboDuck actually pull it off? 🦆 Building Effective LLM Agents - theori.io/blog/building-… 🦆 Exploring Traces - theori.io/blog/exploring… Check out the full details and real execution logs on how we designed an AI that can find and fix…
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