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.

References

https://www.mozilla.org/security/advisories/mfsa2020-36/

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

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3