=========================================================================Ubuntu Security Notice USN-1482-3
August 16, 2012
clamav regression
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
Summary:
USN-1482-1 introduced a regression in ClamAV that could cause it to fail
to scan certain documents.
Software Description:
- clamav: Anti-virus utility for Unix
Details:
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)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 LTS:
clamav 0.97.5+dfsg-1ubuntu0.12.04.3
libclamav6 0.97.5+dfsg-1ubuntu0.12.04.3
Ubuntu 11.10:
clamav 0.97.5+dfsg-1ubuntu0.11.10.3
libclamav6 0.97.5+dfsg-1ubuntu0.11.10.3
Ubuntu 11.04:
clamav 0.97.5+dfsg-1ubuntu0.11.04.3
libclamav6 0.97.5+dfsg-1ubuntu0.11.04.3
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-1482-3
https://ubuntu.com/security/notices/USN-1482-1
https://launchpad.net/bugs/1015405
Package Information:
https://launchpad.net/ubuntu/+source/clamav/0.97.5+dfsg-1ubuntu0.12.04.3
https://launchpad.net/ubuntu/+source/clamav/0.97.5+dfsg-1ubuntu0.11.10.3
https://launchpad.net/ubuntu/+source/clamav/0.97.5+dfsg-1ubuntu0.11.04.3