CVE-2017-13721

xorg-x11-server: Insufficient validation of shmseg resource id

Published Oct 9, 2017 CVSS 3.0 · 4.7 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-4000-1 xorg-server security update
EUVD EUVD EUVD-2017-5238 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.
Ubuntu USN Ubuntu USN USN-3453-1 X.Org X server vulnerabilities
History
Type Values Removed Values Added
First Time appeared X.org x Server
CPEs cpe:2.3:a:x.org:xorg-server:*:*:*:*:*:*:*:* cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
Vendors & Products X.org xorg-server
X.org x Server
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 5, 2024, 7:05 PM
Reserved
Aug 28, 2017, 12:00 AM
Status
Modified
Published
Oct 10, 2017, 1:30 AM
Modified
Jun 17, 2026, 1:05 AM
Severity
Low
Public date
Oct 4, 2017, 12:00 AM