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USN-1753-1: DBus-GLib vulnerability

27 February 2013

An attacker could send crafted input to applications using DBus-GLib and possibly escalate privileges.

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Releases

Packages

  • dbus-glib - simple interprocess messaging system

Details

Sebastian Krahmer and Bastien Nocera discovered that DBus-GLib did not
properly validate the message sender when the "NameOwnerChanged" signal was
received. A local attacker could possibly use this issue to escalate their
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 12.10
Ubuntu 12.04
Ubuntu 11.10
Ubuntu 10.04

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

References

Join the discussion

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Further reading