CVE-2017-13723 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.8 HIGH
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.debian.org/security/2017/dsa-4000 Third Party Advisory 
http://www.openwall.com/lists/oss-security/2017/10/04/10 Mailing List  Third Party Advisory 
http://www.securityfocus.com/bid/101253 Third Party Advisory  VDB Entry 
https://cgit.freedesktop.org/xorg/xserver/commit/?id=94f11ca5cf011ef123bd222cabeaef6f424d76ac Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html
https://lists.x.org/archives/xorg-announce/2017-October/002808.html Vendor Advisory 
https://security.gentoo.org/glsa/201710-30 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer cwe source acceptance level NIST  

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-13723
NVD Published Date:
10/09/2017
NVD Last Modified:
02/03/2018
Source:
MITRE