CVE-2018-21269 Path traversal in n/a
Local attackers can exploit symlink handling in OpenRC to take ownership of arbitrary files, leading to privilege escalation.
- 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-2018-21269?
CVE-2018-21269 is a medium-severity path traversal vulnerability in n/a, published on 27 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
checkpath in OpenRC through 0.42.1 might allow local users to take ownership of arbitrary files because a non-terminal path component can be a symlink.
Weakness: CWE-59
Which versions are affected by CVE-2018-21269?
It affects 1 product.
Products include Openrc Project Openrc.
How do I fix CVE-2018-21269?
Upgrade to a fixed version.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2018-21269 being exploited?
There is no known exploitation of CVE-2018-21269 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as ALPINE-CVE-2018-21269, DEBIAN-CVE-2018-21269, GHSA-ww6f-fx4x-qw8g.