CVE-2015-3202 Privilege escalation in n/a
Local attackers can escalate privileges and write to arbitrary files by exploiting environment variable handling in fusermount when invoking mount or umount.
- 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-2015-3202?
CVE-2015-3202 is a low-severity vulnerability in Debian Debian Linux, published on 2 Jul 2015. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
fusermount in FUSE before 2.9.3-15 does not properly clear the environment before invoking (1) mount or (2) umount as root, which allows local users to write to arbitrary files via a crafted LIBMOUNT_MTAB environment variable that is used by mount's debugging feature.
Weakness: CWE-264
Which versions are affected by CVE-2015-3202?
It affects 2 products.
Linux distribution packages (4)
fuse SUSE:Linux Enterprise Desktop 12 | All versions | 2.9.3-5.1 |
fuse SUSE:Linux Enterprise Server 12 | All versions | 2.9.3-5.1 |
fuse SUSE:Linux Enterprise Server for SAP Applications 12 | All versions | 2.9.3-5.1 |
fuse SUSE:Linux Enterprise Software Development Kit 12 | All versions | 2.9.3-5.1 |
Products include Debian Debian Linux, Fuse Project Fuse.
How do I fix CVE-2015-3202?
Upgrade to a fixed version.
Is CVE-2015-3202 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2015-3202 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2015-3202, DLA-226-1, DLA-226-2, DLA-238-1, DSA-3266-1, DSA-3268-1 and 7 more.