Ubuntu Security Notice USN-2523-1
10th March, 2015
apache2 vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS
Summary
Several security issues were fixed in the Apache HTTP Server.
Software description
- apache2
– Apache HTTP server
Details
Martin Holst Swende discovered that the mod_headers module allowed HTTP
trailers to replace HTTP headers during request processing. A remote
attacker could possibly use this issue to bypass RequestHeaders directives.
(CVE-2013-5704)
Mark Montague discovered that the mod_cache module incorrectly handled
empty HTTP Content-Type headers. 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 and Ubuntu 14.10. (CVE-2014-3581)
Teguh P. Alko discovered that the mod_proxy_fcgi module incorrectly
handled long response headers. 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 14.10. (CVE-2014-3583)
It was discovered that the mod_lua module incorrectly handled different
arguments within different contexts. A remote attacker could possibly use
this issue to bypass intended access restrictions. This issue only affected
Ubuntu 14.10. (CVE-2014-8109)
Guido Vranken discovered that the mod_lua module incorrectly handled a
specially crafted websocket PING in certain circumstances. A remote
attacker could possibly use this issue to cause the server to stop
responding, leading to a denial of service. This issue only affected
Ubuntu 14.10. (CVE-2015-0228)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 14.10:
-
apache2.2-bin
2.4.10-1ubuntu1.1
- Ubuntu 14.04 LTS:
-
apache2.2-bin
2.4.7-1ubuntu4.4
- Ubuntu 12.04 LTS:
-
apache2.2-bin
2.2.22-1ubuntu1.8
- Ubuntu 10.04 LTS:
-
apache2.2-bin
2.2.14-5ubuntu8.15
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.