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Status published
Medium
CVE-2020-12399
NSS has shown timing differences when performing DSA signatures, which...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://www.mozilla.org/security/advisories/mfsa2020-20/
- https://www.mozilla.org/security/advisories/mfsa2020-21/
- https://www.mozilla.org/security/advisories/mfsa2020-22/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1631576
- 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
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Affected Vendor
Mozilla
View all reports →Affected Software
Thunderbird, Firefox, Firefox ESR
Vulnerable Versions:
unspecified
Timeline
Official Publish:
July 9th, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.