Ubuntu Security Notice 3664-2 - USN-3664-1 fixed a vulnerability in Apport. Sander Bos reported that Ubuntu 14.04 LTS was also vulnerable to this issue, but was incorrectly omitted from the previous updates. This update provides the corresponding update for Ubuntu 14.04 LTS. Sander Bos discovered that Apport incorrectly handled core dumps when certain files are missing from /proc. A local attacker could possibly use this issue to cause a denial of service, gain root privileges, or escape from containers. Various other issues were also addressed.
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Ubuntu Security Notice USN-3664-2
June 04, 2018
apport vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
Summary:
Apport could be tricked into causing a denial of service or escalate
privileges.
Software Description:
- apport: automatically generate crash reports for debugging
Details:
USN-3664-1 fixed a vulnerability in Apport. Sander Bos reported that Ubuntu
14.04 LTS was also vulnerable to this issue, but was incorrectly omitted
from the previous updates. This update provides the corresponding update
for Ubuntu 14.04 LTS.
Original advisory details:
Sander Bos discovered that Apport incorrectly handled core dumps when
certain files are missing from /proc. A local attacker could possibly use
this issue to cause a denial of service, gain root privileges, or escape
from containers.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 LTS:
apport 2.14.1-0ubuntu3.29
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3664-2
https://usn.ubuntu.com/usn/usn-3664-1
CVE-2018-6552
Package Information:
https://launchpad.net/ubuntu/+source/apport/2.14.1-0ubuntu3.29