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USN-1399-1: gdm-guest-session vulnerability

13 March 2012

gdm-guest-session could be made to delete files as the administrator.

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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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Releases

Packages

Details

Ryan Lortie discovered that gdm-guest-session improperly cleaned out
certain guest session files. A local attacker could use this issue to
delete arbitrary files.

Reduce your security exposure

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

Related notices