National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

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.

Source:  MITRE
Description Last Modified:  10/09/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.6 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

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

Technical Details

Vulnerability Type (View All)

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