USN-3480-1: Apport vulnerabilities
Ubuntu Security Notice USN-3480-1
15th November, 2017
apport vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Apport could be tricked into creating files as an administrator, resulting in
denial of service or privilege escalation.
Software description
- apport
– automatically generate crash reports for debugging
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
2.20.7-0ubuntu3.4
- Ubuntu 17.04:
-
apport
2.20.4-0ubuntu4.7
- Ubuntu 16.04 LTS:
-
apport
2.20.1-0ubuntu2.12
- Ubuntu 14.04 LTS:
-
apport
2.14.1-0ubuntu3.27
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.
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