Ubuntu 11.04 USN-1199-1 Moderate Apache Denial Of Service

ubuntu

September 1, 2011

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

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.

Topics Covered

security advisory moderate denial of service apache ubuntu

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.