USN-1021-1: Apache vulnerabilities

Ubuntu Security Notice USN-1021-1

25th November, 2010

apache2 vulnerabilities

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

  • Ubuntu 10.10
  • Ubuntu 10.04 LTS
  • Ubuntu 9.10
  • Ubuntu 8.04 LTS
  • Ubuntu 6.06 LTS

Software description

  • apache2

Details

It was discovered that Apache's mod_cache and mod_dav modules incorrectly
handled requests that lacked a path. A remote attacker could exploit this
with a crafted request and cause a denial of service. This issue affected
Ubuntu 6.06 LTS, 8.04 LTS, 9.10 and 10.04 LTS. (CVE-2010-1452)

It was discovered that Apache did not properly handle memory when
destroying APR buckets. A remote attacker could exploit this with crafted
requests and cause a denial of service via memory exhaustion. This issue
affected Ubuntu 6.06 LTS and 10.10. (CVE-2010-1623)

Update instructions

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

Ubuntu 10.10:
apache2.2-common 2.2.16-1ubuntu3.1
Ubuntu 10.04 LTS:
apache2.2-common 2.2.14-5ubuntu8.4
Ubuntu 9.10:
apache2.2-common 2.2.12-1ubuntu2.4
Ubuntu 8.04 LTS:
apache2.2-common 2.2.8-1ubuntu0.19
Ubuntu 6.06 LTS:
apache2-common 2.0.55-4ubuntu2.12

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2010-1452, CVE-2010-1623