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Vulnerability Details : CVE-2017-13721

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.
Publish Date : 2017-10-10 Last Update Date : 2019-10-03
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- CVSS Scores & Vulnerability Types

CVSS Score
1.9
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 269

- Products Affected By CVE-2017-13721

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
3 Application X.org Xorg-server * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2
X.org Xorg-server 1

- References For CVE-2017-13721

http://www.securityfocus.com/bid/101238
BID 101238
https://security.gentoo.org/glsa/201710-30
GENTOO GLSA-201710-30
https://cgit.freedesktop.org/xorg/xserver/commit/?id=b95f25af141d33a65f6f821ea9c003f66a01e1f1 CONFIRM
http://www.openwall.com/lists/oss-security/2017/10/04/10
MLIST [oss-security] 20171004 Fwd: X server fixes for CVE-2017-13721 & CVE-2017-13723
http://www.debian.org/security/2017/dsa-4000
DEBIAN DSA-4000
https://lists.x.org/archives/xorg-announce/2017-October/002808.html
MLIST [xorg-announce] 20171004 [ANNOUNCE] xorg-server 1.19.4

- Metasploit Modules Related To CVE-2017-13721

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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