QID 354029

Date Published: 2022-08-08

QID 354029: Amazon Linux Security Advisory for clamav : ALAS-2022-1621

on april 20, 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 chm file parser of clam antivirus (clamav) versions 0.104.0 through 0.104.2 and lts version 0.103.5 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.
For a description of this vulnerability, see the clamav blog.
This advisory will be updated as additional information becomes available. (
( CVE-2022-20770) on april 20, 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 the tiff file parser of clam antivirus (clamav) versions 0.104.0 through 0.104.2 and lts version 0.103.5 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.
( CVE-2022-20771) on april 20, 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 html file parser of clam antivirus (clamav) versions 0.104.0 through 0.104.2 and lts version 0.103.5 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.
( CVE-2022-20785) 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.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as High - 7.8 severity.
    • Solution
    Please refer to Amazon advisory: ALAS-2022-1621 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 354029

    CVE-2022-20785 | CVE-2022-20770 | CVE-2022-20796 | CVE-2022-20771 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS-2022-1621 Amazon Linux URL Logo alas.aws.amazon.com/ALAS-2022-1621.html
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