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Ubuntu Security Notice USN-2299-1
July 23, 2014

apache2 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in Apache HTTP Server.

Software Description:
- apache2: Apache HTTP server

Details:

Marek Kroemeke discovered that the mod_proxy module incorrectly handled
certain requests. A remote attacker could use this issue to cause the
server to stop responding, leading to a denial of service. This issue only
affected Ubuntu 14.04 LTS. (CVE-2014-0117)

Giancarlo Pellegrino and Davide Balzarotti discovered that the mod_deflate
module incorrectly handled body decompression. A remote attacker could use
this issue to cause resource consumption, leading to a denial of service.
(CVE-2014-0118)

Marek Kroemeke and others discovered that the mod_status module incorrectly
handled certain requests. A remote attacker could use this issue to cause
the server to stop responding, leading to a denial of service, or possibly
execute arbitrary code. (CVE-2014-0226)

Rainer Jung discovered that the mod_cgid module incorrectly handled certain
scripts. A remote attacker could use this issue to cause the server to stop
responding, leading to a denial of service. (CVE-2014-0231)

Update instructions:

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

Ubuntu 14.04 LTS:
  apache2-bin                     2.4.7-1ubuntu4.1

Ubuntu 12.04 LTS:
  apache2.2-bin                   2.2.22-1ubuntu1.7

Ubuntu 10.04 LTS:
  apache2.2-bin                   2.2.14-5ubuntu8.14

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

References:
  http://www.ubuntu.com/usn/usn-2299-1
  CVE-2014-0117, CVE-2014-0118, CVE-2014-0226, CVE-2014-0231

Package Information:
  https://launchpad.net/ubuntu/+source/apache2/2.4.7-1ubuntu4.1
  https://launchpad.net/ubuntu/+source/apache2/2.2.22-1ubuntu1.7
  https://launchpad.net/ubuntu/+source/apache2/2.2.14-5ubuntu8.14