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Cryptographic Issues Affecting gnupg2 package, versions <2.0.22-1

low

Snyk CVSS

    Attack Complexity Low
    User Interaction Required

    Threat Intelligence

    EPSS 0.42% (75th percentile)
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NVD
5.4 medium
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Red Hat
3.7 low

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  • Snyk ID SNYK-DEBIAN10-GNUPG2-340443
  • published 10 Oct 2013
  • disclosed 10 Oct 2013
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Introduced: 10 Oct 2013

CVE-2013-4351 Open this link in a new tab
CWE-310 Open this link in a new tab

How to fix?

Upgrade Debian:10 gnupg2 to version 2.0.22-1 or higher.

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:10 relevant fixed versions and status.

GnuPG 1.4.x, 2.0.x, and 2.1.x treats a key flags subpacket with all bits cleared (no usage permitted) as if it has all bits set (all usage permitted), which might allow remote attackers to bypass intended cryptographic protection mechanisms by leveraging the subkey.