CVE-2020-12399

Published: Jul 9, 2020Modified: Nov 21, 2024

4.4

Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N

Exploitability: 0.8 / Impact: 3.6

Source: NVD

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.

Affected (4)

Products: Mozilla: Firefox, Firefox Esr, Thunderbird · Debian: Debian Linux

3 products

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 77.0
Mozilla Firefox Esr	Before 68.9.0
Mozilla Thunderbird	Before 68.9.0

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 9.0

Related CWEs

CWE-203

Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

References (16)

https://bugzilla.mozilla.org/show_bug.cgi?id=1631576

Source: security@mozilla.org

Issue TrackingPermissions RequiredVendor Advisory

https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html

Source: security@mozilla.org

Mailing ListThird Party Advisory

https://security.gentoo.org/glsa/202007-49

Source: security@mozilla.org

Third Party Advisory

https://usn.ubuntu.com/4421-1/

Source: security@mozilla.org

Third Party Advisory

https://www.debian.org/security/2020/dsa-4726

Source: security@mozilla.org

Third Party Advisory

https://www.mozilla.org/security/advisories/mfsa2020-20/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2020-21/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2020-22/

Source: security@mozilla.org

Vendor Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=1631576