HAProxy could be made to crash or run programs if it received specially crafted network traffic.
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)
15 April 2013
A security issue affects these releases of Ubuntu and its derivatives:
HAProxy could be made to crash or run programs if it received specially crafted network traffic.
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)
The problem can be corrected by updating your system to the following package versions:
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.
Vulmon