USN-1816-1: ClamAV vulnerabilities

3 May 2013

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

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Releases

Packages

  • clamav - Anti-virus utility for Unix

Details

It was discovered that ClamAV would incorrectly parse a UPX-packed
executable, leading to possible inappropriate heap reads. An attacker
could use this issue to cause ClamAV to crash, resulting in a denial of
service, or possibly execute arbitrary code. (CVE-2013-2020)

It was discovered that ClamAV would incorrectly parse a PDF document,
potentially writing beyond the size of a static array. An attacker could
use this issue to cause ClamAV to crash, resulting in a denial of service,
or possibly execute arbitrary code. (CVE-2013-2021)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 13.04
Ubuntu 12.10
Ubuntu 12.04
Ubuntu 11.10
Ubuntu 10.04

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart ClamAV to
make all the necessary changes.

References

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Further reading