Improper Input Validation Affecting gnupg package, versions <1.4.18-7


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.6% (79th percentile)

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  • Snyk IDSNYK-DEBIAN8-GNUPG-340555
  • published27 Jun 2018
  • disclosed20 Nov 2019

Introduced: 27 Jun 2018

CVE-2015-1607  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Debian:8 gnupg to version 1.4.18-7 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 Debian. See How to fix? for Debian:8 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."

CVSS Scores

version 3.1