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USN-2609-1: Apport vulnerabilities

21 May 2015

Apport could be tricked into creating arbitrary files as an administrator, resulting in privilege escalation.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

  • 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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 15.04
Ubuntu 14.10
Ubuntu 14.04
Ubuntu 12.04

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