CVE-2020-15667 — Vulnetix

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CVE-2020-15667 PUBLISHED

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.

EPSS 0.89% · 75.4th percentile

Risk Scores

EPSS Score

0.89%

75.4th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:18.04:LTS	mozjs38	0, 38.8.0~repack1-0ubuntu1, 38.8.0~repack1-0ubuntu3
Ubuntu:18.04:LTS	mozjs52	52.9.1-0ubuntu0.18.04.1, 0, 52.3.1-0ubuntu3
Ubuntu:20.04:LTS	mozjs68	0, 68.5.0-1~fakesync, 68.5.0-2~fakesync
Ubuntu:20.04:LTS	mozjs52	0, 52.9.1-1ubuntu3, 52.9.1-1build1

Timeline

Oct 1, 2020 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Nov 1, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2020-15667 third-party-advisory
https://www.mozilla.org/en-US/security/advisories/mfsa2020-36/#CVE-2020-15667 third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2020-15667 third-party-advisory

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