Use of a Broken or Risky Cryptographic Algorithm Affecting gnupg package, versions <2.2.19-r0


0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    EPSS 0.23% (61st percentile)
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NVD
7.5 high
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Red Hat
5.3 medium

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  • Snyk ID SNYK-ALPINE38-GNUPG-598605
  • published 25 Nov 2019
  • disclosed 20 Mar 2020

How to fix?

Upgrade Alpine:3.8 gnupg to version 2.2.19-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnupg package and not the gnupg package as distributed by Alpine. See How to fix? for Alpine:3.8 relevant fixed versions and status.

A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18.