Public Date:
1500388: CVE-2017-13723 xorg-x11-server: Global buffer overflow in xkbtext.c

The MITRE CVE dictionary describes this issue as:

In X.Org Server (aka xserver and xorg-server) before 1.19.4, a local attacker authenticated to the X server could overflow a global buffer, causing crashes of the X server or potentially other problems by injecting large or malformed XKB related atoms and accessing them via xkbcomp.

Find out more about CVE-2017-13723 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 4.7
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 xorg-x11-server Will not fix
Red Hat Enterprise Linux 6 xorg-x11-server Will not fix
Red Hat Enterprise Linux 5 xorg-x11-server Will not fix
Last Modified

CVE description copyright © 2017, The MITRE Corporation