cve/2020/CVE-2020-15667.md

CVE-2020-15667

Description

When processing a MAR update file, after the signature has been validated, an invalid name length could result in a heap overflow, leading to memory corruption and potentially arbitrary code execution. Within Firefox as released by Mozilla, this issue is only exploitable with the Mozilla-controlled signing key. This vulnerability affects Firefox < 80.

POC

Reference

• https://bugzilla.mozilla.org/show_bug.cgi?id=1653371
• https://bugzilla.mozilla.org/show_bug.cgi?id=1653371

Github

No PoCs found on GitHub currently.