CVE-2017-14177 Privilege escalation in Apport

High 7.8 Published 2 Feb 2018 Updated 17 Sep 2024

Local attackers can exploit Apport's handling of setuid core dumps to create root-owned files, leading to privilege escalation or denial of service.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2017-14177?

CVE-2017-14177 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 2 Feb 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Apport through 2.20.7 does not properly handle core dumps from setuid binaries allowing local users to create certain files as root which an attacker could leverage to perform a denial of service via resource exhaustion or possibly gain root privileges. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1324.

Weakness: CWE-400

Which versions are affected by CVE-2017-14177?

It affects 2 products.

Products include Apport Project Apport, Canonical Ubuntu Linux.

How do I fix CVE-2017-14177?

Apply the vendor's patch.

Is CVE-2017-14177 being exploited?

There is no known exploitation of CVE-2017-14177 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as GHSA-gx65-cr2w-3vfm, UBUNTU-CVE-2017-14177.