CVE-2012-1458

Description

The Microsoft CHM file parser in ClamAV 0.96.4 and Sophos Anti-Virus 4.61.0 allows remote attackers to bypass malware detection via a crafted reset interval in the LZXC header of a CHM file. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different CHM parser implementations.

How to fix CVE-2012-1458

To remediate CVE-2012-1458, upgrade the affected package to a fixed version below.

• Debian/clamav—upgrade to 0.97.5+dfsg-1 or later

Is CVE-2012-1458 being exploited?

Likely — EPSS is 73.7%, placing CVE-2012-1458 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.

Affected packages (1)

• from 0, < 0.97.5+dfsg-1

References (1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2012-1458