CVE Vulnerability

CVE-2020-12399

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.

1.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 1.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

4.4 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.mozilla.org/security/advisories/mfsa2020-20/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-21/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1631576 Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2020-22/ Vendor Advisory
https://www.debian.org/security/2020/dsa-4726 Third Party Advisory
https://usn.ubuntu.com/4421-1/ Third Party Advisory
https://security.gentoo.org/glsa/202007-49 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2020-07-09 03:15

Updated : 2022-01-04 04:38

NVD link : CVE-2020-12399

Mitre link : CVE-2020-12399

Products Affected
No products.
CWE
CWE-203