CVE-2017-13721

MEDIUM

X.Org Server < 1.19.4 - Authenticated Shared Memory Segment Replacement

Title source: llm
STIX 2.1

Description

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.

References (6)

Core 6
Core References
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201710-30
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2017/10/04/10
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/101238
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2017/dsa-4000
Vendor Advisory mailing-list x_refsource_mlist
https://lists.x.org/archives/xorg-announce/2017-October/002808.html

Scores

CVSS v3 4.7
EPSS 0.0036
EPSS Percentile 27.6%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-269
Status published
Products (3)
debian/debian_linux 8.0
debian/debian_linux 9.0
x.org/x_server < 1.19.3
Published Oct 10, 2017
Tracked Since Feb 18, 2026