CVE-2020-12420

 

Published at: - 09-07-2020 05:15

Last modified: - 24-09-2022 03:03

Total changes: - 4

Description

When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://bugzilla.mozilla.org/show_bug.cgi?id=1643437
• https://www.mozilla.org/security/advisories/mfsa2020-24/
• https://www.mozilla.org/security/advisories/mfsa2020-25/
• https://www.mozilla.org/security/advisories/mfsa2020-26/
• openSUSE-SU-2020:0967-Mailing List, Third Party Advisory
• openSUSE-SU-2020:0982-Mailing List, Third Party Advisory
• openSUSE-SU-2020:0983-Mailing List, Third Party Advisory
• openSUSE-SU-2020:1017-Mailing List, Third Party Advisory
• USN-4421-1-Third Party Advisory
• GLSA-202007-10-Third Party Advisory
• GLSA-202007-09-Third Party Advisory

 

Keywords

NVD

 

CVE-2020-12420

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures