cve/2019/CVE-2019-11759.md

CVE-2019-11759

Description

An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an attacker to execute arbitrary code or more likely lead to a crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

POC

Reference

• https://bugzilla.mozilla.org/show_bug.cgi?id=1577953
• https://bugzilla.mozilla.org/show_bug.cgi?id=1577953

Github

• https://github.com/MrE-Fog/cryptofuzz
• https://github.com/guidovranken/cryptofuzz