High severity · published Aug 14, 2018
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…
7.8
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GD
Gnome Display Manager · Gnome
through 3.29.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-14424
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-14424
Third Party Advisory
http://www.securityfocus.com/bid/105179
Third Party Advisory
https://gitlab.gnome.org/GNOME/gdm/issues/401
Mailing List
https://lists.debian.org/debian-lts-announce/2018/09/msg00003.html
Third Party Advisory
https://usn.ubuntu.com/3737-1/
Third Party Advisory
https://www.debian.org/security/2018/dsa-4270
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