Improper Input Validation Affecting gnupg2 package, versions <0:2.0.22-5.amzn2.0.3


0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 1.32% (86th percentile)
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NVD
5.3 medium
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Red Hat
5.3 medium

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  • Snyk ID SNYK-AMZN2-GNUPG2-1670026
  • published 27 Sep 2021
  • disclosed 25 Jun 2014

How to fix?

Upgrade Amazon-Linux:2 gnupg2 to version 0:2.0.22-5.amzn2.0.3 or higher.
This issue was patched in ALAS2-2019-1203.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gnupg2 package and not the gnupg2 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

The do_uncompress function in g10/compress.c in GnuPG 1.x before 1.4.17 and 2.x before 2.0.24 allows context-dependent attackers to cause a denial of service (infinite loop) via malformed compressed packets, as demonstrated by an a3 01 5b ff byte sequence.