Information Exposure Affecting mozilla-nss-32bit package, versions <3.53.1-3.45.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.07% (31st percentile)

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  • Snyk IDSNYK-SLES151-MOZILLANSS32BIT-2709353
  • published14 Apr 2022
  • disclosed6 Jul 2020

Introduced: 6 Jul 2020

CVE-2020-12402  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade SLES:15.1 mozilla-nss-32bit to version 3.53.1-3.45.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mozilla-nss-32bit package and not the mozilla-nss-32bit package as distributed by SLES. See How to fix? for SLES:15.1 relevant fixed versions and status.

During RSA key generation, bignum implementations used a variation of the Binary Extended Euclidean Algorithm which entailed significantly input-dependent flow. This allowed an attacker able to perform electromagnetic-based side channel attacks to record traces leading to the recovery of the secret primes. Note: An unmodified Firefox browser does not generate RSA keys in normal operation and is not affected, but products built on top of it might. This vulnerability affects Firefox < 78.

CVSS Scores

version 3.1