Ubuntu Security Notice 2007-1 - Martin Carpenter discovered that Apport set incorrect permissions on core dump files generated by setuid binaries. A local attacker could possibly use this issue to obtain privileged information.
b01329a47b0a84943e0929f31ba03f709200ed7f5762f7a5ad9544c85128d498
============================================================================
Ubuntu Security Notice USN-2007-1
October 24, 2013
apport vulnerability
============================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.10
- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS
Summary:
Apport could be made to expose privileged information.
Software Description:
- apport: automatically generate crash reports for debugging
Details:
Martin Carpenter discovered that Apport set incorrect permissions on core
dump files generated by setuid binaries. A local attacker could possibly
use this issue to obtain privileged information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 13.10:
apport 2.12.5-0ubuntu2.1
Ubuntu 13.04:
apport 2.9.2-0ubuntu8.5
Ubuntu 12.10:
apport 2.6.1-0ubuntu13
Ubuntu 12.04 LTS:
apport 2.0.1-0ubuntu17.6
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2007-1
CVE-2013-1067
Package Information:
https://launchpad.net/ubuntu/+source/apport/2.12.5-0ubuntu2.1
https://launchpad.net/ubuntu/+source/apport/2.9.2-0ubuntu8.5
https://launchpad.net/ubuntu/+source/apport/2.6.1-0ubuntu13
https://launchpad.net/ubuntu/+source/apport/2.0.1-0ubuntu17.6