Ubuntu 18.04 LTS USN-4000-1 Moderate: libgssglue Privilege Escalation

ubuntu

October 15, 2012

Privilege escalation via the GSSAPI_MECH_CONF environment variable with setuidprograms.

Summary

Privilege escalation via the GSSAPI_MECH_CONF environment variable with setuid

programs.

Software Description:

- 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)

Topics Covered

security advisory moderate privilege escalation local exploit ubuntu environment variable libgssglue

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.04 LTS:
  libgssglue1                     0.3-4ubuntu0.1

Ubuntu 11.10:
  libgssglue1                     0.3-1ubuntu1.1

Ubuntu 11.04:
  libgssglue1                     0.1-4ubuntu1.1

Ubuntu 10.04 LTS:
  libgssglue1                     0.1-4ubuntu0.1

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