Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2011-0543

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
02/09/2011
Last modified:
11/04/2025

Description

Certain legacy functionality in fusermount in fuse 2.8.5 and earlier, when util-linux does not support the --no-canonicalize option, allows local users to bypass intended access restrictions and unmount arbitrary directories via a symlink attack.

Impact

Vector 2.0
AV:L/AC:M/Au:N/C:N/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 3.30 LOW
Vector: AV:L/AC:M/Au:N/C:N/I:P/A:P

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
3.30
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:fuse:fuse:*:*:*:*:*:*:*:* 2.8.5 (including)
cpe:2.3:a:fuse:fuse:1.9:*:*:*:*:*:*:*
cpe:2.3:a:fuse:fuse:2.0:pre0:*:*:*:*:*:*
cpe:2.3:a:fuse:fuse:2.0:pre1:*:*:*:*:*:*
cpe:2.3:a:fuse:fuse:2.1:*:*:*:*:*:*:*
cpe:2.3:a:fuse:fuse:2.2:*:*:*:*:*:*:*
cpe:2.3:a:fuse:fuse:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:fuse:fuse:2.3:pre:*:*:*:*:*:*
cpe:2.3:a:fuse:fuse:2.3:rc1:*:*:*:*:*:*
cpe:2.3:a:fuse:fuse:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:fuse:fuse:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:fuse:fuse:2.4.1:*:*:*:*:*:*:*
cpe:2.3:a:fuse:fuse:2.4.2:*:*:*:*:*:*:*
cpe:2.3:a:fuse:fuse:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:fuse:fuse:2.5.1:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools