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CVE-2022-20770

CVE-2022-20770 · ClamAV CHM File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 2022

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 8.6 · High · EPSS 7.1% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • cisco amp for endpoints

    Versions
    • n/a: Affected

    No fix published

  • clamav Debian:12

    Affected ranges
    • ECOSYSTEM: < 0.103.6+dfsg-1

    Update to 0.103.6+dfsg-1

  • clamav Debian:13

    Affected ranges
    • ECOSYSTEM: < 0.103.6+dfsg-1

    Update to 0.103.6+dfsg-1

  • clamav Debian:14

    Affected ranges
    • ECOSYSTEM: < 0.103.6+dfsg-1

    Update to 0.103.6+dfsg-1

  • clamav Ubuntu:Pro:14.04:LTS

    Versions
    • 0.97.8+dfsg-1ubuntu4
    • 0.97.8+dfsg-1ubuntu5
    • 0.98.1+dfsg-1ubuntu4
    • 0.98.1+dfsg-1ubuntu5
    • 0.98.1+dfsg-2ubuntu2
    • 0.98.1+dfsg-4ubuntu1
    • 0.98.1+dfsg-4ubuntu1.1
    • 0.98.5+addedllvm-0ubuntu0.14.04.1
    • 0.98.6+dfsg-0ubuntu0.14.04.1
    • 0.98.7+dfsg-0ubuntu0.14.04.1
    • 0.99.2+addedllvm-0ubuntu0.14.04.1
    • 0.99.2+addedllvm-0ubuntu0.14.04.2
    • 0.99.3+addedllvm-0ubuntu0.14.04.1
    • 0.99.4+addedllvm-0ubuntu0.14.04.1
    • 0.100.1+dfsg-1ubuntu0.14.04.1
    • 0.100.1+dfsg-1ubuntu0.14.04.2
    • 0.100.1+dfsg-1ubuntu0.14.04.3
    • 0.100.1+dfsg-1ubuntu0.14.04.4
    • 0.100.2+dfsg-1ubuntu0.14.04.1
    • 0.100.2+dfsg-1ubuntu0.14.04.2
    • 0.100.3+dfsg-0ubuntu0.14.04.1
    • 0.100.3+dfsg-0ubuntu0.14.04.1+esm1
    • 0.101.4+dfsg-0ubuntu0.14.04.1+esm1
    • 0.102.1+dfsg-0ubuntu0.14.04.1+esm1
    • 0.102.2+dfsg-0ubuntu0.14.04.1+esm1
    • 0.102.3+dfsg-0ubuntu0.14.04.1+esm1
    • 0.102.4+dfsg-0ubuntu0.14.04.1+esm1
    • 0.103.2+dfsg-0ubuntu0.14.04.1+esm1
    • 0.103.2+dfsg-0ubuntu0.14.04.1+esm2
    • 0.103.5+dfsg-0ubuntu0.14.04.1+esm1
    Affected ranges
    • ECOSYSTEM: < 0.103.6+dfsg-0ubuntu0.14.04.1+esm1

    Update to 0.103.6+dfsg-0ubuntu0.14.04.1+esm1

  • clamav Ubuntu:Pro:16.04:LTS

    Versions
    • 0.98.7+dfsg-0ubuntu4
    • 0.98.7+dfsg-0ubuntu5
    • 0.99+dfsg-1ubuntu1
    • 0.99+dfsg-1ubuntu1.1
    • 0.99+dfsg-1ubuntu1.2
    • 0.99.2+dfsg-0ubuntu0.16.04.1
    • 0.99.2+dfsg-0ubuntu0.16.04.2
    • 0.99.2+dfsg-0ubuntu0.16.04.3
    • 0.99.3+addedllvm-0ubuntu0.16.04.1
    • 0.99.4+addedllvm-0ubuntu0.16.04.1
    • 0.100.1+dfsg-1ubuntu0.16.04.1
    • 0.100.1+dfsg-1ubuntu0.16.04.2
    • 0.100.1+dfsg-1ubuntu0.16.04.3
    • 0.100.2+dfsg-1ubuntu0.16.04.1
    • 0.100.3+dfsg-0ubuntu0.16.04.1
    • 0.101.4+dfsg-0ubuntu0.16.04.1
    • 0.102.1+dfsg-0ubuntu0.16.04.2
    • 0.102.2+dfsg-0ubuntu0.16.04.1
    • 0.102.3+dfsg-0ubuntu0.16.04.1
    • 0.102.4+dfsg-0ubuntu0.16.04.1
    • 0.103.2+dfsg-0ubuntu0.16.04.1
    • 0.103.2+dfsg-0ubuntu0.16.04.1+esm1
    • 0.103.5+dfsg-0ubuntu0.16.04.1+esm1
    Affected ranges
    • ECOSYSTEM: < 0.103.6+dfsg-0ubuntu0.16.04.1+esm1

    Update to 0.103.6+dfsg-0ubuntu0.16.04.1+esm1

  • clamav Ubuntu:18.04:LTS

    Versions
    • 0.99.2+dfsg-6ubuntu2
    • 0.99.3~beta1+dfsg-2ubuntu1
    • 0.99.3~beta1+dfsg-2ubuntu2
    • 0.99.3+addedllvm-0ubuntu1
    • 0.99.3+addedllvm-0ubuntu2
    • 0.99.4+addedllvm-0ubuntu1
    • 0.100.1+dfsg-1ubuntu0.18.04.1
    • 0.100.1+dfsg-1ubuntu0.18.04.2
    • 0.100.1+dfsg-1ubuntu0.18.04.3
    • 0.100.2+dfsg-1ubuntu0.18.04.1
    • 0.100.3+dfsg-0ubuntu0.18.04.1
    • 0.101.4+dfsg-0ubuntu0.18.04.1
    • 0.102.1+dfsg-0ubuntu0.18.04.2
    • 0.102.2+dfsg-0ubuntu0.18.04.1
    • 0.102.3+dfsg-0ubuntu0.18.04.1
    • 0.102.4+dfsg-0ubuntu0.18.04.1
    • 0.103.2+dfsg-0ubuntu0.18.04.1
    • 0.103.2+dfsg-0ubuntu0.18.04.2
    • 0.103.2+dfsg-0ubuntu0.18.04.3
    • 0.103.5+dfsg-0ubuntu0.18.04.1
    Affected ranges
    • ECOSYSTEM: < 0.103.6+dfsg-0ubuntu0.18.04.1

    Update to 0.103.6+dfsg-0ubuntu0.18.04.1

  • clamav Ubuntu:20.04:LTS

    Versions
    • 0.101.4+dfsg-1ubuntu1
    • 0.102.1+dfsg-1ubuntu1
    • 0.102.1+dfsg-2ubuntu1
    • 0.102.1+dfsg-2ubuntu2
    • 0.102.2+dfsg-1ubuntu1
    • 0.102.2+dfsg-2ubuntu1
    • 0.102.3+dfsg-0ubuntu0.20.04.1
    • 0.102.4+dfsg-0ubuntu0.20.04.1
    • 0.103.2+dfsg-0ubuntu0.20.04.1
    • 0.103.2+dfsg-0ubuntu0.20.04.2
    • 0.103.5+dfsg-1~20.04.1
    Affected ranges
    • ECOSYSTEM: < 0.103.6+dfsg-0ubuntu0.20.04.1

    Update to 0.103.6+dfsg-0ubuntu0.20.04.1

  • clamav Ubuntu:22.04:LTS

    Versions
    • 0.103.3+dfsg-1
    • 0.103.4+dfsg-1
    • 0.103.4+dfsg-1build1
    • 0.103.5+dfsg-1
    Affected ranges
    • ECOSYSTEM: < 0.103.6+dfsg-0ubuntu0.22.04.1

    Update to 0.103.6+dfsg-0ubuntu0.22.04.1

Original sources

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