Vulnerability CVE-2012-1458
Published: 2012-03-21

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.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Sophos -> Sophos anti-virus 
Clamav -> Clamav 

 References:
http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00002.html
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
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