USN-1800-1: HAProxy vulnerabilities

15 April 2013

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

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Releases

Packages

  • haproxy - fast and reliable load balancing reverse proxy

Details

It was discovered that HAProxy incorrectly handled configurations where
global.tune.bufsize was set to a value higher than the default. A remote
attacker could use this issue to cause a denial of service, or possibly
execute arbitrary code. (CVE-2012-2942)

Yves Lafon discovered that HAProxy incorrectly handled HTTP keywords in TCP
inspection rules when HTTP keep-alive is enabled. A remote attacker could
use this issue to cause a denial of service, or possibly execute arbitrary
code. (CVE-2013-1912)

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 12.10
Ubuntu 12.04
Ubuntu 11.10

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