Information Exposure Affecting nss package, versions <2:3.26.2-1.1+deb9u2
Snyk CVSS
Attack Complexity
High
Confidentiality
High
Threat Intelligence
EPSS
0.05% (15th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN9-NSS-597152
- published 1 Aug 2020
- disclosed 8 Oct 2020
Introduced: 1 Aug 2020
CVE-2020-12400 Open this link in a new tabHow to fix?
Upgrade Debian:9
nss
to version 2:3.26.2-1.1+deb9u2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream nss
package and not the nss
package as distributed by Debian
.
See How to fix?
for Debian:9
relevant fixed versions and status.
When converting coordinates from projective to affine, the modular inversion was not performed in constant time, resulting in a possible timing-based side channel attack. This vulnerability affects Firefox < 80 and Firefox for Android < 80.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-12400
- https://security-tracker.debian.org/tracker/CVE-2020-12400
- https://bugzilla.mozilla.org/show_bug.cgi?id=1623116
- https://www.mozilla.org/security/advisories/mfsa2020-36/
- https://www.mozilla.org/security/advisories/mfsa2020-39/
- https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html