USN-2756-1: rpcbind vulnerability

30 September 2015

rpcbind vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 15.04
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

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

Software Description

  • rpcbind - converts RPC program numbers into universal addresses

Details

It was discovered that rpcbind incorrectly handled certain memory structures. A remote attacker could use this issue to cause rpcbind to crash, resulting in a denial of service, or possibly execute arbitrary code.

Update instructions

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

Ubuntu 15.04
rpcbind - 0.2.1-6ubuntu3.1
Ubuntu 14.04 LTS
rpcbind - 0.2.1-2ubuntu2.2
Ubuntu 12.04 LTS
rpcbind - 0.2.0-7ubuntu1.3

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to reboot your computer to make all the necessary changes.

References