1. Ubuntu Security Notices
  2. USN-1889-1

USN-1889-1: HAProxy vulnerability

Publication date

20 June 2013

Overview

HAProxy could be made to crash if it received specially crafted network traffic.

Releases

Packages

  • haproxy - fast and reliable load balancing reverse proxy

Details

David Torgerson discovered that HAProxy incorrectly parsed certain HTTP
headers. A remote attacker could use this issue to cause HAProxy to stop
responding, resulting in a denial of service.

David Torgerson discovered that HAProxy incorrectly parsed certain HTTP
headers. A remote attacker could use this issue to cause HAProxy to stop
responding, resulting in a denial of service.

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
13.04 raring haproxy –  1.4.18-0ubuntu3.1
12.10 quantal haproxy –  1.4.18-0ubuntu2.2
12.04 precise haproxy –  1.4.18-0ubuntu1.2

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References

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