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Test ID:1.3.6.1.4.1.25623.1.0.120267
Category:Amazon Linux Local Security Checks
Title:Amazon Linux: Security Advisory (ALAS-2012-104)
Summary:The remote host is missing an update for the 'xorg-x11-server' package(s) announced via the ALAS-2012-104 advisory.
Description:Summary:
The remote host is missing an update for the 'xorg-x11-server' package(s) announced via the ALAS-2012-104 advisory.

Vulnerability Insight:
A flaw was found in the way the X.Org server handled lock files. A local user with access to the system console could use this flaw to determine the existence of a file in a directory not accessible to the user, via a symbolic link attack. (CVE-2011-4028)

A race condition was found in the way the X.Org server managed temporary lock files. A local attacker could use this flaw to perform a symbolic link attack, allowing them to make an arbitrary file world readable, leading to the disclosure of sensitive information. (CVE-2011-4029)

Affected Software/OS:
'xorg-x11-server' package(s) on Amazon Linux.

Solution:
Please install the updated package(s).

CVSS Score:
1.9

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-4028
http://lists.freedesktop.org/archives/xorg/2011-October/053680.html
RedHat Security Advisories: RHSA-2012:0939
http://rhn.redhat.com/errata/RHSA-2012-0939.html
http://secunia.com/advisories/46460
http://secunia.com/advisories/49579
Common Vulnerability Exposure (CVE) ID: CVE-2011-4029
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