Ubuntu Security Notice USN-3480-3
3rd January, 2018
apport regression
A security issue affects these releases of Ubuntu and its derivatives:
USN-3480-2 introduced regressions in Apport.
Software description
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
LP: 1733366
Continue reading...
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
USN-3480-2 introduced regressions in Apport.
Software description
- apport - automatically generate crash reports for debugging
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
LP: 1733366
Continue reading...
