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Information Exposure Affecting nss-util package, versions <0:3.53.1-1.58.amzn1

0.0
medium

Snyk CVSS

    Attack Complexity High
    User Interaction Required
    Confidentiality High

    Threat Intelligence

    EPSS 0.05% (16th percentile)
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NVD
4.7 medium
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SUSE
4.7 medium
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Red Hat
4.4 medium

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  • Snyk ID SNYK-AMZN201803-NSSUTIL-1725936
  • published 27 Sep 2021
  • disclosed 8 Oct 2020
Report a new vulnerability Found a mistake?

Introduced: 8 Oct 2020

CVE-2020-12401 Open this link in a new tab
CWE-203 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 nss-util to version 0:3.53.1-1.58.amzn1 or higher.
This issue was patched in ALAS-2021-1522.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nss-util package and not the nss-util package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 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.