CVE-2012-1458

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 73.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-03-21 · updated 2026-06-16
Weakness: CWE-264

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.

Affected products

Cisco ClamAV: 0.96.4
Sophos Anti-Virus: 4.61.0

References

http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00002.html
http://osvdb.org/80473
http://osvdb.org/80474
http://www.ieee-security.org/TC/SP2012/program.html
http://www.mandriva.com/security/advisories?name=MDVSA-2012:094
http://www.securityfocus.com/archive/1/522005
http://www.securityfocus.com/bid/52611
https://exchange.xforce.ibmcloud.com/vulnerabilities/74301
http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00002.html
http://osvdb.org/80473
http://osvdb.org/80474
http://www.ieee-security.org/TC/SP2012/program.html

Get alerted when CVE-2012-1458 or the next vulnerability affects your stack