Cisco ClamAV denial of service | CVE-2022-20770
NAME
Cisco ClamAV denial of service
- Platforms Affected:
Cisco ClamAV 0.103.5
Cisco ClamAV 0.104.2
Cisco Secure Endpoint for Linux 1.17
Cisco Secure Endpoint for MacOS 1.17
Cisco Secure Endpoint for Windows 7.5 - Risk Level:
8.6 - Exploitability:
Unproven - Consequences:
Denial of Service
DESCRIPTION
Cisco ClamAV is vulnerable to a denial of service, caused by an infinite loop flaw in the CHM file parser. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Access Vector: Network
- Access Complexity: Low
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Upgrade to the latest version of ClamAV (0.103.6, 0.104.3, 0.105.0 or later), available from the ClamAV Web site. See References.
- Reference Link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-dos-prVGcHLd - Reference Link:
https://blog.clamav.net/2022/05/clamav-01050-01043-01036-released.html
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