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.

CVSS v3.0 4.4 MEDIUM
CVSS v2.0 1.2 LOW

4.4^/10

CVSS v3.0 : MEDIUM

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

1.2^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:H/Au:N/C:P/I:N/A:N

Exploitability : 1.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

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 Vendor Advisory
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

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:firefox_esr::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Information

Published : 2020-07-09 08:15

Updated : 2022-01-04 08:38

NVD link : CVE-2020-12399

Mitre link : CVE-2020-12399

JSON object : View

CWE

CWE-203

Observable Discrepancy

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Products Affected

mozilla

firefox
firefox_esr
thunderbird

debian

debian_linux

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