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Test ID:1.3.6.1.4.1.25623.1.0.891026
Category:Debian Local Security Checks
Title:Debian: Security Advisory (DLA-1026-1)
Summary:The remote host is missing an update for the Debian 'xorg-server' package(s) announced via the DLA-1026-1 advisory.
Description:Summary:
The remote host is missing an update for the Debian 'xorg-server' package(s) announced via the DLA-1026-1 advisory.

Vulnerability Insight:
CVE-2017-10971

A user authenticated to an X Session could crash or execute code in the context of the X Server by exploiting a stack overflow in the endianness conversion of X Events.

CVE-2017-10972

Uninitialized data in endianness conversion in the XEvent handling of the X.Org X Server allowed authenticated malicious users to access potentially privileged data from the X server.

For Debian 7 Wheezy, these problems have been fixed in version 2:1.12.4-6+deb7u7.

We recommend that you upgrade your xorg-server packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references]

Affected Software/OS:
'xorg-server' package(s) on Debian 7.

Solution:
Please install the updated package(s).

CVSS Score:
6.5

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2017-10971
BugTraq ID: 99546
http://www.securityfocus.com/bid/99546
Debian Security Information: DSA-3905 (Google Search)
http://www.debian.org/security/2017/dsa-3905
https://bugzilla.suse.com/show_bug.cgi?id=1035283
https://cgit.freedesktop.org/xorg/xserver/commit/?id=215f894965df5fb0bb45b107d84524e700d2073c
https://cgit.freedesktop.org/xorg/xserver/commit/?id=8caed4df36b1f802b4992edcfd282cbeeec35d9d
https://cgit.freedesktop.org/xorg/xserver/commit/?id=ba336b24052122b136486961c82deac76bbde455
Common Vulnerability Exposure (CVE) ID: CVE-2017-10972
BugTraq ID: 99543
http://www.securityfocus.com/bid/99543
https://cgit.freedesktop.org/xorg/xserver/commit/?id=05442de962d3dc624f79fc1a00eca3ffc5489ced
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