USN-1963-1: usb-creator vulnerability

Ubuntu Security Notice USN-1963-1

18th September, 2013

usb-creator vulnerability

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

  • Ubuntu 13.04
  • Ubuntu 12.10
  • Ubuntu 12.04 LTS

Summary

usb-creator could be tricked into bypassing polkit authorizations.

Software description

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

Details

It was discovered that usb-creator was using polkit in an unsafe manner. A
local attacker could possibly use this issue to bypass intended polkit
authorizations.

Update instructions

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

Ubuntu 13.04:
usb-creator-common 0.2.47.1
Ubuntu 12.10:
usb-creator-common 0.2.40ubuntu2
Ubuntu 12.04 LTS:
usb-creator-common 0.2.38.2

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

CVE-2013-1063