USN-2609-1: Apport vulnerabilities
Ubuntu Security Notice USN-2609-1
21st May, 2015
apport vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 15.04
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
Apport could be tricked into creating arbitrary files as an administrator, resulting in privilege escalation.
Software description
- apport - automatically generate crash reports for debugging
Details
Sander Bos discovered that Apport incorrectly handled permissions when
the system was configured to generate core dumps for setuid binaries. A
local attacker could use this issue to gain elevated privileges.
(CVE-2015-1324)
Philip Pettersson discovered that Apport contained race conditions
resulting core dumps to be generated with incorrect permissions in
arbitrary locations. A local attacker could use this issue to gain elevated
privileges. (CVE-2015-1325)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 15.04:
- apport 2.17.2-0ubuntu1.1
- Ubuntu 14.10:
- apport 2.14.7-0ubuntu8.5
- Ubuntu 14.04 LTS:
- apport 2.14.1-0ubuntu3.11
- Ubuntu 12.04 LTS:
- apport 2.0.1-0ubuntu17.9
To update your system, please follow these instructions: http://ift.tt/17VXqjU.
In general, a standard system update will make all the necessary changes.
References
from Ubuntu Security Notices http://ift.tt/1HwtPgE