USN-1398-1: LTSP Display Manager vulnerability

12 March 2012

LTSP Display Manager could be made to run programs as an administrator.

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Releases

Packages

  • ldm - LTSP display manager

Details

Tenho Tuhkala discovered that the LTSP Display Manager (ldm) incorrectly
filtered keybindings. An attacker could use the default keybindings to
execute arbitrary commands as root at the login screen.

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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 11.10
Ubuntu 11.04

After a standard system update you need to restart the LTSP Display Manager
to make all the necessary changes.

References

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Further reading