National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-13721 Detail

Current 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.

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

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 4.7 MEDIUM
Vector: AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.0


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

CVSS v2.0 Severity and Metrics:

Base Score: 1.9 LOW
Vector: (AV:L/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.4


Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
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/101238 Third Party Advisory VDB Entry
https://cgit.freedesktop.org/xorg/xserver/commit/?id=b95f25af141d33a65f6f821ea9c003f66a01e1f1 Third Party Advisory
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)

  • Permissions, Privileges, and Access Control (CWE-264)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-13721
NVD Published Date:
10/09/2017
NVD Last Modified:
11/05/2017