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CVE-2018-14424

Publication date 13 August 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
gdm3 24.10 oracular
Fixed 3.29.91-1ubuntu1
24.04 LTS noble
Fixed 3.29.91-1ubuntu1
23.10 mantic
Fixed 3.29.91-1ubuntu1
23.04 lunar
Fixed 3.29.91-1ubuntu1
22.10 kinetic
Fixed 3.29.91-1ubuntu1
22.04 LTS jammy
Fixed 3.29.91-1ubuntu1
21.10 impish
Fixed 3.29.91-1ubuntu1
21.04 hirsute
Fixed 3.29.91-1ubuntu1
20.10 groovy
Fixed 3.29.91-1ubuntu1
20.04 LTS focal
Fixed 3.29.91-1ubuntu1
19.10 eoan
Fixed 3.29.91-1ubuntu1
19.04 disco
Fixed 3.29.91-1ubuntu1
18.10 cosmic
Fixed 3.29.91-1ubuntu1
18.04 LTS bionic
Fixed 3.28.2-0ubuntu1.4
16.04 LTS xenial
Vulnerable
14.04 LTS trusty Not in release

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references