CVE-2017-13723
X.Org Server XKB Buffer Overflow
Description
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.
INFO
Published Date :
Oct. 10, 2017, 1:30 a.m.
Last Modified :
Aug. 29, 2025, 1:42 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2017-13723
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.0 | HIGH | [email protected] |
Solution
- Update the xorg-server packages to the latest available version.
- Apply the appropriate vendor-provided patch.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-13723.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-13723 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-13723
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-13723 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-13723 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CPE Deprecation Remap by [email protected]
Aug. 29, 2025
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:x.org:xorg-server:*:*:*:*:*:*:*:* versions from (including) 1.19.3 OR *cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* versions from (including) 1.19.3 -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://www.debian.org/security/2017/dsa-4000 Added Reference http://www.openwall.com/lists/oss-security/2017/10/04/10 Added Reference http://www.securityfocus.com/bid/101253 Added Reference https://cgit.freedesktop.org/xorg/xserver/commit/?id=94f11ca5cf011ef123bd222cabeaef6f424d76ac Added Reference https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html Added Reference https://lists.x.org/archives/xorg-announce/2017-October/002808.html Added Reference https://security.gentoo.org/glsa/201710-30 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 04, 2018
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 05, 2017
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://security.gentoo.org/glsa/201710-30 No Types Assigned https://security.gentoo.org/glsa/201710-30 Third Party Advisory Changed Reference Type http://www.debian.org/security/2017/dsa-4000 No Types Assigned http://www.debian.org/security/2017/dsa-4000 Third Party Advisory Changed Reference Type https://cgit.freedesktop.org/xorg/xserver/commit/?id=94f11ca5cf011ef123bd222cabeaef6f424d76ac No Types Assigned https://cgit.freedesktop.org/xorg/xserver/commit/?id=94f11ca5cf011ef123bd222cabeaef6f424d76ac Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/101253 No Types Assigned http://www.securityfocus.com/bid/101253 Third Party Advisory, VDB Entry Changed Reference Type https://lists.x.org/archives/xorg-announce/2017-October/002808.html No Types Assigned https://lists.x.org/archives/xorg-announce/2017-October/002808.html Vendor Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2017/10/04/10 No Types Assigned http://www.openwall.com/lists/oss-security/2017/10/04/10 Mailing List, Third Party Advisory Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:a:x.org:xorg-server:1.19.3:*:*:*:*:*:*:* (and previous) Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 04, 2017
Action Type Old Value New Value Added Reference http://www.debian.org/security/2017/dsa-4000 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 31, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201710-30 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 15, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/101253 [No Types Assigned]
Vulnerability Scoring Details
Base CVSS Score: 7.8
Base CVSS Score: 4.6
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.14 }} 0.01%
score
0.34574
percentile