USN-3480-1: Apport vulnerabilities

Publication date

15 November 2017

Overview

Apport could be tricked into creating files as an administrator, resulting in denial of service or privilege escalation.


Packages

  • 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)

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

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
17.10 artful apport –  2.20.7-0ubuntu3.4
17.04 zesty apport –  2.20.4-0ubuntu4.7
16.04 xenial apport –  2.20.1-0ubuntu2.12
14.04 trusty apport –  2.14.1-0ubuntu3.27

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