Vulnerability Monitor

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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.

Published

2020-07-09T15:15:10.757

Last Modified

2024-11-21T04:59:38.543

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.4 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: HIGH
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

1.9

Impact Score

2.9

Weaknesses

Type: Primary
CWE-203

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 77.0	Yes
Application	mozilla	firefox_esr	< 68.9.0	Yes
Application	mozilla	thunderbird	< 68.9.0	Yes
Operating System	debian	debian_linux	9.0	Yes

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1631576 Issue Tracking, Permissions Required, Vendor Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html Mailing List, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202007-49 Third Party Advisory ([email protected])
https://usn.ubuntu.com/4421-1/ Third Party Advisory ([email protected])
https://www.debian.org/security/2020/dsa-4726 Third Party Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-20/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-21/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2020-22/ Vendor Advisory ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1631576 Issue Tracking, Permissions Required, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202007-49 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4421-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2020/dsa-4726 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-20/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-21/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2020-22/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)