CVE-2020-12399medium
Description
NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
References
https://www.mozilla.org/security/advisories/mfsa2020-20/
https://www.mozilla.org/security/advisories/mfsa2020-21/
https://bugzilla.mozilla.org/show_bug.cgi?id=1631576
https://www.mozilla.org/security/advisories/mfsa2020-22/
https://www.debian.org/security/2020/dsa-4726
https://usn.ubuntu.com/4421-1/
https://security.gentoo.org/glsa/202007-49
https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html
Details
Source: MITRE
Published: 2020-07-09
Updated: 2022-01-04
Type: CWE-203
Risk Information
CVSS v2
Base Score: 1.2
Vector: AV:L/AC:H/Au:N/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 1.9
Severity: LOW
CVSS v3
Base Score: 4.4
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
Impact Score: 3.6
Exploitability Score: 0.8
Severity: MEDIUM