USN-1502-1: X.Org X Server vulnerability

11 July 2012

The X.Org X server could be made to crash if a specially crafted input device was added.

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Releases

Packages

Details

Ken Mixter discovered a format string vulnerability in the
LogVHdrMessageVerb function when handling input device names. This
could allow a local attacker to cause a denial of service or possibly
execute arbitrary code.

The default compiler options for the affected release should reduce
the vulnerability to a denial of service.

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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.

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Update instructions

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

Ubuntu 12.04

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

References

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Further reading