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Ubuntu 11.04 USN-1179-1 Denial Of Service: ClamAV Crash Risk

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Calendar Grey July 28, 2011
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A vulnerability found in Ubuntu 11.04 may let specially designed inputs cause ClamAV to fail, leading to possible Denial of Service, alongside recommended patches.
An attacker could send crafted input to ClamAV and cause it to crash.

Summary

An attacker could send crafted input to ClamAV and cause it to

crash.

Software Description:

- clamav: anti-virus utility for Unix - command-line interface

Details:

It was discovered that the hash processing code in libclamav improperly

handled messages with certain hashes. This could allow a remote attacker to

craft a document that could cause clamav to crash, resulting in a denial of

service.

Topics%20covered

Topics Covered

security advisory denial of service security issue Ubuntu clamav

Update Instructions

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

Ubuntu 11.04:
  libclamav6                      0.97+dfsg-2ubuntu1.1

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

References

CVE-2011-2721

Severity
critical
Lowest
Low
Medium
High
Critical

July 28, 2011

Topics%20covered

Topics Covered

security advisory denial of service security issue Ubuntu clamav

Package Information

https://launchpad.net/ubuntu/+source/clamav/0.97+dfsg-2ubuntu1.1

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