USN-2523-1: Apache HTTP Server vulnerabilities

Publication date

10 March 2015

Overview

Several security issues were fixed in the Apache HTTP Server.


Packages

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...

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
14.10 utopic apache2.2-bin –  2.4.10-1ubuntu1.1
14.04 trusty apache2.2-bin –  2.4.7-1ubuntu4.4
12.04 precise apache2.2-bin –  2.2.22-1ubuntu1.8
10.04 lucid apache2.2-bin –  2.2.14-5ubuntu8.15

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