The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to change the permissions of arbitrary files to 444, read those files, and possibly cause a denial of service (removed execution permission) via a symlink attack on a temporary lock file.
Published 2012-07-03 19:55:02
Updated 2020-08-24 17:14:32
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2011-4029

Probability of exploitation activity in the next 30 days: 0.04%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2011-4029

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
1.9
LOW AV:L/AC:M/Au:N/C:P/I:N/A:N
3.4
2.9
NIST

CWE ids for CVE-2011-4029

References for CVE-2011-4029

Products affected by CVE-2011-4029

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