CVE-2018-14424

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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector : AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

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Configurations

Configuration 1 (hide)

cpe:2.3:a:gnome:gnome_display_manager:*:*:*:*:*:*:*:*

Information

Published : 2018-08-14 11:29

Updated : 2018-10-18 13:21

NVD link : CVE-2018-14424

Mitre link : CVE-2018-14424

JSON object : View

CWE

CWE-416

Use After Free

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Products Affected

gnome

gnome_display_manager

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