USN-3480-3: Apport regression
Ubuntu Security Notice USN-3480-3
3rd January, 2018
apport regression
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
Summary
USN-3480-2 introduced regressions in Apport.
Software description
- apport
– automatically generate crash reports for debugging
Details
USN-3480-2 fixed regressions in Apport. The update introduced a new regression in the container support. This update addresses the problem.
We apologize for the inconvenience.
Original advisory details:
Sander Bos discovered that Apport incorrectly handled core dumps for setuid
binaries. A local attacker could use this issue to perform a denial of service
via resource exhaustion or possibly gain root privileges. (CVE-2017-14177)
Sander Bos discovered that Apport incorrectly handled core dumps for processes
in a different PID namespace. A local attacker could use this issue to perform
a denial of service via resource exhaustion or possibly gain root privileges.
(CVE-2017-14180)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 17.10:
-
apport
2.20.7-0ubuntu3.7
- Ubuntu 17.04:
-
apport
2.20.4-0ubuntu4.10
- Ubuntu 16.04 LTS:
-
apport
2.20.1-0ubuntu2.15
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3480-3: Apport regression
