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Improper Input Validation Affecting gnupg2 package, versions <2.0.26-5

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High

    Threat Intelligence

    EPSS 0.43% (75th percentile)
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NVD
5.5 medium
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Red Hat
2.9 low

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  • Snyk ID SNYK-DEBIAN9-GNUPG2-340455
  • published 27 Jun 2018
  • disclosed 20 Nov 2019
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Introduced: 27 Jun 2018

CVE-2015-1607 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Debian:9 gnupg2 to version 2.0.26-5 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:9 relevant fixed versions and status.

kbx/keybox-search.c in GnuPG before 1.4.19, 2.0.x before 2.0.27, and 2.1.x before 2.1.2 does not properly handle bitwise left-shifts, which allows remote attackers to cause a denial of service (invalid read operation) via a crafted keyring file, related to sign extensions and "memcpy with overlapping ranges."

References