USN-1127-1: usb-creator vulnerability

Publication date

2 May 2011

Overview

An attacker could use usb-creator to unmount arbitrary disks or perform other unauthorized disk operations.


Packages

  • usb-creator - Ubuntu startup disk creator transitional meta-package for GTK+

Details

Evan Broder discovered that usb-creator did not properly enforce
restrictions when performing privileged disk operations. A local attacker
could use this flaw to perform certain disk operations, such as unmount
arbitrary mountpoints.

Evan Broder discovered that usb-creator did not properly enforce
restrictions when performing privileged disk operations. A local attacker
could use this flaw to perform certain disk operations, such as unmount
arbitrary mountpoints.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
11.04 natty usb-creator-common –  0.2.28.3
10.10 maverick usb-creator-common –  0.2.25.3
10.04 lucid usb-creator-common –  0.2.22.3

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