USN-1127-1: usb-creator vulnerability

2 May 2011

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

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Releases

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.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 11.04
Ubuntu 10.10
Ubuntu 10.04

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

References

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Further reading