USN-1482-1 introduced a regression in ClamAV that could cause it to fail to scan certain documents.
USN-1482-1 fixed vulnerabilities in ClamAV. The updated package could fail to properly scan files in some situations. This update fixes the problem.
16 August 2012
A security issue affects these releases of Ubuntu and its derivatives:
USN-1482-1 introduced a regression in ClamAV that could cause it to fail to scan certain documents.
USN-1482-1 fixed vulnerabilities in ClamAV. The updated package could fail to properly scan files in some situations. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
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