CVE-2019-11482 Race condition between reading current working directory and writing a core dump
A local attacker can exploit a race condition in apport to write core dump files to arbitrary directories, potentially overwriting critical system files.
- 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-2019-11482?
CVE-2019-11482 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 8 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Sander Bos discovered a time of check to time of use (TOCTTOU) vulnerability in apport that allowed a user to cause core files to be written in arbitrary directories.
Weakness: CWE-367
Which versions are affected by CVE-2019-11482?
It affects 2 products.
Products include Apport Project Apport, Canonical Ubuntu Linux.
How do I fix CVE-2019-11482?
Apply the vendor's patch.
Is CVE-2019-11482 being exploited?
There is no known exploitation of CVE-2019-11482 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as GHSA-fggm-83vw-5vwq, UBUNTU-CVE-2019-11482.