EXODUS BLOG

General Research

Shifting boundaries: Exploiting an Integer Overflow in Apple Safari

JULY 20, 2023

By Vignesh Rao Overview In this blog post, we describe a method to exploit an integer overflow in Apple WebKit due to a vulnerability resulting from incorrect range computations when optimizing Javascript code. This...

Google Chrome V8 ArrayShift Race Condition Remote Code Execution

MAY 16, 2023

By Javier Jimenez Overview This post describes a method of exploiting a race condition in the V8 JavaScript engine, version 9.1.269.33. The vulnerability affects the following versions of Chrome and Edge: Google Chrome versions between...

Escaping Adobe Sandbox: Exploiting an Integer Overflow in Microsoft Windows Crypto Provider

APRIL 6, 2023

By Michele Campa Overview We describe a method to exploit a Windows Nday vulnerability to escape the Adobe sandbox. This vulnerability is assigned CVE-2021-31199 and it is present in multiple Windows 10 versions. The...

Linux Kernel: Exploiting a Netfilter Use-after-Free in kmalloc-cg

DECEMBER 19, 2022

By Sergi Martinez Overview It’s been a while since our last technical blogpost, so here’s one right on time for the Christmas holidays. We describe a method to exploit a use-after-free in the Linux...

Exploiting a use-after-free in Windows Common Logging File System (CLFS)

MARCH 10, 2022

By Arav Garg Overview This post analyzes a use-after-free vulnerability in clfs.sys, the kernel driver that implements the Common Logging File System, a general-purpose logging service that can be used by user-space and kernel-space...

Analysis of a Heap Buffer-Overflow Vulnerability in Adobe Acrobat Reader DC

OCTOBER 4, 2021

By Sergi Martinez In late June, we published a blog post containing analysis of exploitation of a heap-buffer overflow vulnerability in Adobe Reader, a vulnerability that we thought corresponded to CVE-2021-21017. The starting point...

Analysis of a Heap Buffer-Overflow Vulnerability in Microsoft Windows Address Book

AUGUST 5, 2021

By Eneko Cruz Elejalde Overview This post analyzes a heap-buffer overflow in Microsoft Windows Address Book. Microsoft released an advisory for this vulnerability for the 2021 February patch Tuesday. This post will go into...

Analysis of a use-after-free Vulnerability in Adobe Acrobat Reader DC

APRIL 20, 2021

By Sergi Martinez This post analyses CVE-2020-9715, a use-after-free vulnerability affecting several versions of the Adobe Acrobat and Adobe Acrobat Reader products. The vulnerability was discovered by Mark Vincent Yason, who reported it to...

Firefox Vulnerability Research Part 2

NOVEMBER 10, 2020

By Arthur Gerkis and David Barksdale This series of posts makes public some old Firefox research which our Zero-Day customers had access to before it was known publicly, and then our N-Day customers after...

Firefox Vulnerability Research

OCTOBER 20, 2020

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