Permissions, Privileges, and Access Controls in Fuse - CVE-2011-0542

 

Permissions, Privileges, and Access Controls in Fuse - CVE-2011-0542

Published: September 3, 2011 / Updated: August 11, 2020


Vulnerability identifier: #VU44758
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-0542
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Red Hat Inc.
Affected software:
Fuse

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.

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.


How to mitigate CVE-2011-0542

Install update from vendor's website.

Sources