CVE-2011-4029

medium

Description

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.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2011-3982

http://secunia.com/advisories/49579

http://secunia.com/advisories/46460

http://rhn.redhat.com/errata/RHSA-2012-0939.html

http://lists.freedesktop.org/archives/xorg/2011-October/053680.html

http://cgit.freedesktop.org/xorg/xserver/commit/?id=b67581cf825940fdf52bf2e0af4330e695d724a4

Details

Source: Mitre, NVD

Published: 2012-07-03

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 1.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 4.7

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.00272