Ubuntu Security Notice USN-1482-2
19th June, 2012
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
ClamAV could improperly detect malware if it opened a specially crafted file.
- clamav - Anti-virus utility for Unix
USN-1482-1 fixed vulnerabilities in ClamAV. The updated packages could fail
to install in certain 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,
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 version:
- Ubuntu 12.04 LTS:
- libclamav6 0.97.5+dfsg-1ubuntu0.12.04.2
- clamav 0.97.5+dfsg-1ubuntu0.12.04.2
- clamav-daemon 0.97.5+dfsg-1ubuntu0.12.04.2
- Ubuntu 11.10:
- libclamav6 0.97.5+dfsg-1ubuntu0.11.10.2
- clamav 0.97.5+dfsg-1ubuntu0.11.10.2
- clamav-daemon 0.97.5+dfsg-1ubuntu0.11.10.2
- Ubuntu 11.04:
- libclamav6 0.97.5+dfsg-1ubuntu0.11.04.2
- clamav 0.97.5+dfsg-1ubuntu0.11.04.2
- clamav-daemon 0.97.5+dfsg-1ubuntu0.11.04.2
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.