USN-2576-1: usb-creator vulnerability

23 April 2015

usb-creator vulnerability

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

  • Ubuntu 14.10
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

usb-creator could be tricked into running programs as an administrator.

Software Description

  • usb-creator - create a startup disk using a CD or disc image

Details

Tavis Ormandy discovered that usb-creator was missing an authentication check. A local attacker could use this issue to gain elevated privileges.

Update instructions

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

Ubuntu 14.10
usb-creator-common - 0.2.62ubuntu0.3
Ubuntu 14.04 LTS
usb-creator-common - 0.2.56.3ubuntu0.1
Ubuntu 12.04 LTS
usb-creator-common - 0.2.38.3ubuntu0.1

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