Improper Input Validation Affecting gnupg package, versions [,1.4.19)[2.0,2.0.27)[2.1.0,2.1.2)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.6% (79th percentile)

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  • Snyk IDSNYK-UNMANAGED-GNUPG-2336137
  • published12 Jan 2022
  • disclosed20 Nov 2019
  • creditUnknown

Introduced: 20 Nov 2019

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

How to fix?

Upgrade gnupg to version 1.4.19, 2.0.27, 2.1.2 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation 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

CVSS Scores

version 3.1