[USN-1482-1] ClamAV vulnerabilities

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-1482-1
June 19, 2012

clamav vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS

Summary:

ClamAV could improperly detect malware if it opened a specially crafted
file.

Software Description:
- clamav: Anti-virus utility for Unix

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-1ubuntu0.12.04.1
  clamav-daemon                   0.97.5+dfsg-1ubuntu0.12.04.1
  libclamav6                      0.97.5+dfsg-1ubuntu0.12.04.1

Ubuntu 11.10:
  clamav                          0.97.5+dfsg-1ubuntu0.11.10.1
  clamav-daemon                   0.97.5+dfsg-1ubuntu0.11.10.1
  libclamav6                      0.97.5+dfsg-1ubuntu0.11.10.1

Ubuntu 11.04:
  clamav                          0.97.5+dfsg-1ubuntu0.11.04.1
  clamav-daemon                   0.97.5+dfsg-1ubuntu0.11.04.1
  libclamav6                      0.97.5+dfsg-1ubuntu0.11.04.1

Ubuntu 10.04 LTS:
  clamav                          0.96.5+dfsg-1ubuntu1.10.04.4
  clamav-daemon                   0.96.5+dfsg-1ubuntu1.10.04.4
  libclamav6                      0.96.5+dfsg-1ubuntu1.10.04.4

In general, a standard system update will make all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-1482-1
  CVE-2012-1457, CVE-2012-1458, CVE-2012-1459

Package Information:
  https://launchpad.net/ubuntu/+source/clamav/0.97.5+dfsg-1ubuntu0.12.04.1
  https://launchpad.net/ubuntu/+source/clamav/0.97.5+dfsg-1ubuntu0.11.10.1
  https://launchpad.net/ubuntu/+source/clamav/0.97.5+dfsg-1ubuntu0.11.04.1
  https://launchpad.net/ubuntu/+source/clamav/0.96.5+dfsg-1ubuntu1.10.04.4


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