USN-1482-1: ClamAV vulnerabilities

Ubuntu Security Notice USN-1482-1

19th June, 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 version:

Ubuntu 12.04 LTS:
libclamav6 0.97.5+dfsg-1ubuntu0.12.04.1
clamav 0.97.5+dfsg-1ubuntu0.12.04.1
clamav-daemon 0.97.5+dfsg-1ubuntu0.12.04.1
Ubuntu 11.10:
libclamav6 0.97.5+dfsg-1ubuntu0.11.10.1
clamav 0.97.5+dfsg-1ubuntu0.11.10.1
clamav-daemon 0.97.5+dfsg-1ubuntu0.11.10.1
Ubuntu 11.04:
libclamav6 0.97.5+dfsg-1ubuntu0.11.04.1
clamav 0.97.5+dfsg-1ubuntu0.11.04.1
clamav-daemon 0.97.5+dfsg-1ubuntu0.11.04.1
Ubuntu 10.04 LTS:
libclamav6 0.96.5+dfsg-1ubuntu1.10.04.4
clamav 0.96.5+dfsg-1ubuntu1.10.04.4
clamav-daemon 0.96.5+dfsg-1ubuntu1.10.04.4

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.

References

CVE-2012-1457, CVE-2012-1458, CVE-2012-1459