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USN-1576-1: DBus vulnerability

20 September 2012

DBus could be made to run programs as an administrator.

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.

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Releases

Packages

  • dbus - simple interprocess messaging system

Details

Sebastian Krahmer discovered that DBus incorrectly handled environment
variables when running with elevated privileges. A local attacker could
possibly exploit this flaw with a setuid binary and gain root privileges.

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 8.04
Ubuntu 12.04
Ubuntu 11.10
Ubuntu 11.04
Ubuntu 10.04

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

References

Related notices