Use of a Broken or Risky Cryptographic Algorithm Affecting gnupg2 package, versions *


low

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-DEBIAN9-GNUPG2-535537
  • published 25 Nov 2019
  • disclosed 20 Mar 2020

How to fix?

There is no fixed version for Debian:9 gnupg2.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnupg2 package and not the gnupg2 package as distributed by Debian. See How to fix? for Debian:9 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.