Cisco Security Advisory
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CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:X/RL:X/RC:X
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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 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.
For a description of this vulnerability, see the ClamAV blog.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-html-XAuOK8mR
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Cisco investigated its product line to determine which products may be affected by this vulnerability.
The Vulnerable Products section includes Cisco bug IDs for each product. The bugs are accessible through the Cisco Bug Search Tool and contain additional platform-specific information, including workarounds (if available) and fixed software releases.
Vulnerable Products
The following table lists Cisco products that are affected by the vulnerability that is described in this advisory. If a future release date is indicated for software, the date provided represents an estimate based on all information known to Cisco as of the Last Updated date at the top of the advisory. Availability dates are subject to change based on a number of factors, including satisfactory testing results and delivery of other priority features and fixes. If no version or date is listed for an affected component (indicated by a blank field and/or an advisory designation of Interim), Cisco is continuing to evaluate the fix and will update the advisory as additional information becomes available. After the advisory is marked Final, customers should refer to the associated Cisco bug(s) for further details.
Cisco Product Cisco Bug ID Fixed Release Availability Secure Endpoint, formerly Advanced Malware Protection (AMP) for Endpoints, for Linux CSCwb30931 1.17.2
1.18.0Secure Endpoint, formerly AMP for Endpoints, for MacOS CSCwb30932 1.16.3
1.18.0Secure Endpoint, formerly AMP for Endpoints, for Windows CSCwb30933 7.5.5 Attention: Simplifying the Cisco portfolio includes the renaming of security products under one brand: Cisco Secure. For more information, see Meet Cisco Secure.
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products section of this advisory are known to be affected by this vulnerability.
Cisco has confirmed that the following Cisco products that include a version of the ClamAV library are not affected by this vulnerability:
- Email Security Appliance (ESA)
- Firepower Threat Defense (FTD) Software
- Secure Email and Web Manager, formerly Security Management Appliance
- Web Security Appliance (WSA)
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There are no workarounds that address this vulnerability.
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For information about fixed software releases, consult the Cisco bugs identified in the Vulnerable Products section of this advisory.
When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories page, to determine exposure and a complete upgrade solution.
In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.
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The Cisco Product Security Incident Response Team is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
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Cisco would like to thank Michal Dardas for reporting this vulnerability.
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To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
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Show LessVersion Description Section Status Date 1.2 Removed references to an ongoing investigation and updated the advisory status to Final. Summary, Affected Products Final 2022-DEC-15 1.1 Corrected ClamAV release date and included direct link to ClamAV release. Title, Summary Interim 2022-MAY-04 1.0 Initial public release. — Interim 2022-MAY-04
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