National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-14424 Detail

Current Description

The daemon in GDM through 3.29.1 does not properly unexport display objects from its D-Bus interface when they are destroyed, which allows a local attacker to trigger a use-after-free via a specially crafted sequence of D-Bus method calls, resulting in a denial of service or potential code execution.

Source:  MITRE
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.securityfocus.com/bid/105179 Third Party Advisory VDB Entry
https://gitlab.gnome.org/GNOME/gdm/issues/401 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00003.html Mailing List
https://usn.ubuntu.com/3737-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4270 Third Party Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/a:gnome:gnome_display_manager
     Show Matching CPE(s)
Up to (including)
3.29.1


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-14424
NVD Published Date:
08/14/2018
NVD Last Modified:
10/18/2018