CVE-2017-18188 Privilege escalation in n/a
Local attackers can gain ownership of arbitrary files via hard links if the fs.protected_hardlinks sysctl is disabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-18188?
CVE-2017-18188 is a medium-severity vulnerability in n/a, published on 14 Feb 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
OpenRC opentmpfiles through 0.1.3, when the fs.protected_hardlinks sysctl is turned off, allows local users to obtain ownership of arbitrary files by creating a hard link inside a directory on which "chown -R" will be run.
Weakness: CWE-59
Which versions are affected by CVE-2017-18188?
It affects 1 product.
Products include Openr Opentmpfiles.
How do I fix CVE-2017-18188?
No fix has been published for CVE-2017-18188 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-18188 being exploited?
There is no known exploitation of CVE-2017-18188 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-v99h-q3gx-w24x, UBUNTU-CVE-2017-18188.