NULL Pointer Dereference Affecting clamav-milter package, versions <0:0.103.6-1.49.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-AMZN201803-CLAMAVMILTER-2974934
  • published5 Aug 2022
  • disclosed4 May 2022

Introduced: 4 May 2022

CVE-2022-20796  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 clamav-milter to version 0:0.103.6-1.49.amzn1 or higher.
This issue was patched in ALAS-2022-1621.

NVD Description

Note: Versions mentioned in the description apply only to the upstream clamav-milter package and not the clamav-milter package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

On May 4, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in Clam AntiVirus (ClamAV) versions 0.103.4, 0.103.5, 0.104.1, and 0.104.2 could allow an authenticated, local attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog.

CVSS Scores

version 3.1