Link Following Affecting xorg-x11-server-common package, versions <0:1.10.6-1.12.amzn1


Severity

Recommended
0.0
low
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN201803-XORGX11SERVERCOMMON-1664993
  • published27 Sept 2021
  • disclosed3 Jul 2012

Introduced: 3 Jul 2012

CVE-2011-4028  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 xorg-x11-server-common to version 0:1.10.6-1.12.amzn1 or higher.
This issue was patched in ALAS-2012-104.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-x11-server-common package and not the xorg-x11-server-common package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

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.

CVSS Scores

version 3.1