---
id: 4345
title: "A small bug in the signature verification of AOSP OTA packages"
source_domain: blog.quarkslab.com
source_url: "https://blog.quarkslab.com/aosp_ota_signature_bug.html"
published_at: "2025-04-07 22:00"
tags: ["android", "vulnerability", "aosp", "ota", "signature-verification", "zip"]
phying_url: "https://phying.com/item/4345"
lang: en
---

# A small bug in the signature verification of AOSP OTA packages

## Summary

Quarkslab finds a small but critical bug in AOSP's OTA package signature verification — a bypass in RecoverySystem.verifyPackage, which checks the integrity of update ZIP archives.

## Intelligence Metadata

- **Sources:** blog.quarkslab.com
- **Published:** 2025-04-07 22:00
- **Original:** https://blog.quarkslab.com/aosp_ota_signature_bug.html
- **Phying News:** https://phying.com/item/4345