Information Exposure Affecting nss-softokn-freebl package, versions <0:3.53.1-6.amzn2


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    0.05% (17th percentile)

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  • Snyk ID SNYK-AMZN2-NSSSOFTOKNFREEBL-1689073
  • published 27 Sep 2021
  • disclosed 8 Oct 2020

How to fix?

Upgrade Amazon-Linux:2 nss-softokn-freebl to version 0:3.53.1-6.amzn2 or higher.
This issue was patched in ALAS2-2020-1559.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nss-softokn-freebl package and not the nss-softokn-freebl package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 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.

CVSS Scores

version 3.1
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NVD

4.7 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
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Red Hat

4.4 medium
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SUSE

4.7 medium