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USN-1612-1: libgssglue vulnerability

15 October 2012

Privilege escalation via the GSSAPI_MECH_CONF environment variable with setuid programs.

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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

  • libgssglue - header files and docs for libgssglue

Details

It was discovered that libgssglue incorrectly handled the GSSAPI_MECH_CONF
environment variable when running a privileged binary. A local attacker could
exploit this to gain root privileges. (CVE-2011-2709)

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 12.04
Ubuntu 11.10
Ubuntu 11.04
Ubuntu 10.04

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

References