Ubuntu 11.10 USN-1258-1 Moderate: ClamAV Denial Of Service

ubuntu

November 10, 2011

ClamAV could be made to crash or run programs as your login if it opened a specially crafted file.

Summary

ClamAV could be made to crash or run programs as your login if it opened a

specially crafted file.

Software Description:

- clamav: Anti-virus utility for Unix

Details:

Stephane Chazelas discovered the bytecode engine of ClamAV improperly

handled recursion under certain circumstances. This could allow a remote

attacker to craft a file that could cause ClamAV to crash, resulting in a

denial of service.

Topics Covered

security advisory denial of service moderate severity ubuntu clamav

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 11.10:
  libclamav6                      0.97.3+dfsg-1ubuntu0.11.10.1

Ubuntu 11.04:
  libclamav6                      0.97.3+dfsg-1ubuntu0.11.04.1

Ubuntu 10.10:
  libclamav6                      0.96.5+dfsg-1ubuntu1.10.10.3

Ubuntu 10.04 LTS:
  libclamav6                      0.96.5+dfsg-1ubuntu1.10.04.3

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