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Improper Privilege Management Affecting xorg-server package, versions <2:1.19.2-1+deb9u2

0.0
medium

Snyk CVSS

    Attack Complexity High
    Availability High

    Threat Intelligence

    EPSS 0.06% (26th percentile)
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NVD
4.7 medium
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Red Hat
3.6 low

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  • Snyk ID SNYK-DEBIAN9-XORGSERVER-327017
  • published 10 Oct 2017
  • disclosed 10 Oct 2017
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Introduced: 10 Oct 2017

CVE-2017-13721 Open this link in a new tab
CWE-269 Open this link in a new tab

How to fix?

Upgrade Debian:9 xorg-server to version 2:1.19.2-1+deb9u2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-server package and not the xorg-server package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

In X.Org Server (aka xserver and xorg-server) before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session.