[USN-1199-1] Apache vulnerability

Jamie Strandboge jamie at canonical.com
Thu Sep 1 22:08:14 UTC 2011


==========================================================================
Ubuntu Security Notice USN-1199-1
September 01, 2011

apache2 vulnerability
==========================================================================

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

- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS

Summary:

A remote attacker could send crafted input to Apache and cause it to crash.

Software Description:
- apache2: Apache HTTP server

Details:

A flaw was discovered in the byterange filter in Apache. A remote attacker
could exploit this to cause a denial of service via resource exhaustion.

Update instructions:

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

Ubuntu 11.04:
  apache2.2-bin                   2.2.17-1ubuntu1.2

Ubuntu 10.10:
  apache2.2-bin                   2.2.16-1ubuntu3.3

Ubuntu 10.04 LTS:
  apache2.2-bin                   2.2.14-5ubuntu8.6

Ubuntu 8.04 LTS:
  apache2-mpm-event               2.2.8-1ubuntu0.21
  apache2-mpm-perchild            2.2.8-1ubuntu0.21
  apache2-mpm-prefork             2.2.8-1ubuntu0.21
  apache2-mpm-worker              2.2.8-1ubuntu0.21

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

References:
  http://www.ubuntu.com/usn/usn-1199-1
  CVE-2011-3192

Package Information:
  https://launchpad.net/ubuntu/+source/apache2/2.2.17-1ubuntu1.2
  https://launchpad.net/ubuntu/+source/apache2/2.2.16-1ubuntu3.3
  https://launchpad.net/ubuntu/+source/apache2/2.2.14-5ubuntu8.6
  https://launchpad.net/ubuntu/+source/apache2/2.2.8-1ubuntu0.21


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