CVE-2020-12420
Severity CVSS v4.0:
Pending analysis
Type:
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Publication date:
09/07/2020
Last modified:
03/05/2022
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
Impact
Base Score 3.x
8.80
Severity 3.x
HIGH
Base Score 2.0
9.30
Severity 2.0
HIGH
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | 78.0 (excluding) | |
| cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* | 68.10.0 (excluding) | |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | 68.10.0 (excluding) | |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | ||
| cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* | ||
| cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* | ||
| cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | ||
| cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1643437
- https://security.gentoo.org/glsa/202007-09
- https://security.gentoo.org/glsa/202007-10
- https://usn.ubuntu.com/4421-1/
- https://www.mozilla.org/security/advisories/mfsa2020-24/
- https://www.mozilla.org/security/advisories/mfsa2020-25/
- https://www.mozilla.org/security/advisories/mfsa2020-26/