1. Ubuntu Security Notices
  2. USN-2686-1

USN-2686-1: Apache HTTP Server vulnerabilities

Publication date

27 July 2015

Overview

Several security issues were fixed in the Apache HTTP server.

Releases

Packages

Details

It was discovered that the Apache HTTP Server incorrectly parsed chunk
headers. A remote attacker could possibly use this issue to perform HTTP
request smuggling attacks. (CVE-2015-3183)

It was discovered that the Apache HTTP Server incorrectly handled the
ap_some_auth_required API. A remote attacker could possibly use this issue
to bypass intended access restrictions. This issue only affected Ubuntu
14.04 LTS and Ubuntu 15.04. (CVE-2015-3185)

It was discovered that the Apache HTTP Server incorrectly parsed chunk
headers. A remote attacker could possibly use this issue to perform HTTP
request smuggling attacks. (CVE-2015-3183)

It was discovered that the Apache HTTP Server incorrectly handled the
ap_some_auth_required API. A remote attacker could possibly use this issue
to bypass intended access restrictions. This issue only affected Ubuntu
14.04 LTS and Ubuntu 15.04. (CVE-2015-3185)

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
15.04 vivid apache2.2-bin –  2.4.10-9ubuntu1.1
14.04 trusty apache2.2-bin –  2.4.7-1ubuntu4.5
12.04 precise apache2.2-bin –  2.2.22-1ubuntu1.10

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›