National Cyber Awareness System
Vulnerability Summary for CVE-2011-0542
Original release date:09/02/2011
Last revised:09/05/2011
Source:
US-CERT/NIST
Overview
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.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
4.9
Exploitability Subscore:
3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: MLIST
Name: [oss-security] 20110208 Re: CVE request: fuse
Type: Patch Information
External Source: MLIST
Name: [oss-security] 20110203 Re: CVE request: fuse
Type: Patch Information
External Source: MLIST
Name: [oss-security] 20110201 CVE request: fuse
Type: Patch Information
External Source: CONFIRM
Name: http://fuse.git.sourceforge.net/git/gitweb.cgi?p=fuse/fuse;a=commit;h=1e7607ff89c65b005f69e27aeb1649d624099873
Type: Patch Information
Technical Details
- Permissions, Privileges, and Access Control (CWE-264)