ClamAV could improperly detect malware if it opened a specially crafted file.
It was discovered that ClamAV incorrectly handled certain malformed TAR archives. A remote attacker could create a specially-crafted TAR file containing malware that could escape being detected. (CVE-2012-1457, CVE-2012-1459)
19 June 2012
A security issue affects these releases of Ubuntu and its derivatives:
ClamAV could improperly detect malware if it opened a specially crafted file.
It was discovered that ClamAV incorrectly handled certain malformed TAR archives. A remote attacker could create a specially-crafted TAR file containing malware that could escape being detected. (CVE-2012-1457, CVE-2012-1459)
It was discovered that ClamAV incorrectly handled certain malformed CHM files. A remote attacker could create a specially-crafted CHM file containing malware that could escape being detected. (CVE-2012-1458)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon