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

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CVE-2011-4028

Severity CVSS v4.0:
Pending analysis
Type:
CWE-59 Link Following
Publication date:
03/07/2012
Last modified:
11/04/2025

Description

The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to determine the existence of arbitrary files via a symlink attack on a temporary lock file, which is handled differently if the file exists.

Impact

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

Base Score: 1.20 LOW
Vector: AV:L/AC:H/Au:N/C:P/I:N/A:N

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

Base Score 2.0
1.20
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* 1.11.1 (including)
cpe:2.3:a:x.org:x_server:1.11.0:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools