CVE-2011-0542 Missing authorization in n/a
Local users can unmount arbitrary directories due to missing directory change before mount operations in FUSE.
- 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-2011-0542?
CVE-2011-0542 is a low-severity missing authorization vulnerability in n/a, published on 2 Sep 2011. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
fusermount in fuse 2.8.5 and earlier does not perform a chdir to / before performing a mount or umount, which allows local users to unmount arbitrary directories via unspecified vectors.
Weakness: CWE-264
Which versions are affected by CVE-2011-0542?
It affects 1 product.
Products include Fuse Fuse.
How do I fix CVE-2011-0542?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2011-0542 being exploited?
There is no known exploitation of CVE-2011-0542 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2011-0542, GHSA-w2gc-fxmq-hpfh.