Tag
signal
From Signal to the Android SDK: Chaining Path Traversal, Mimetype Confusion, Security Check Bypass and File Descriptor Bruteforce for Arbitrary File Access
This technical analysis reveals how sophisticated attack chains—combining path traversal, symbolic link manipulation, and Android SDK quirks—can breach Signal Android's defenses to extract sensitive internal files, despite its legendary encryption remaining intact. While Signal patched these vulnerabilities within days, the discoveries offer crucial lessons about how seemingly minor bugs can be chained into powerful exploits, and why even the best security architecture needs multiple layers of defense
Mon 11 August 2025