Use of a Broken or Risky Cryptographic Algorithm Affecting nss-softokn package, versions <0:3.53.1-6.el7_9


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.05% (18th percentile)

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  • Snyk ID SNYK-CENTOS7-NSSSOFTOKN-2179558
  • published 26 Jul 2021
  • disclosed 30 Jun 2020

How to fix?

Upgrade Centos:7 nss-softokn to version 0:3.53.1-6.el7_9 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nss-softokn package and not the nss-softokn package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar multiplication was removed, resulting in variable-time execution dependent on secret data. 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