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CVE-2020-16125

gdm3 would start gnome-initial-setup if it cannot contact accountservice

Published: Nov 10, 2020Updated: Nov 21, 2024 Sources: CVE List NVDCWE-754
7.2HIGH
NVD MITRE
EPSS Score
1.1%
Top 37.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

gdm3 versions before 3.36.2 or 3.38.2 would start gnome-initial-setup if gdm3 can't contact the accountservice service via dbus in a timely manner; on Ubuntu (and potentially derivatives) this could be be chained with an additional issue that could allow a local user to create a new privileged account.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:PAC:LPR:LUI:RS:CC:HI:HA:H
Exploitability
AV:PAttack Vector
Physical
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-754

Affected Products

Gnome
oss-project·USaka glib, gnome project
GDM3
Consumer Software
gnome display managerOn-premDesktop App
Consumer Software

Exploitability

Official Patch Available
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References

https://gitlab.gnome.org/GNOME/gdm/-/issues/642
gitlab.gnome.org
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314
bugs.launchpad.net
https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemon
securitylab.github.com

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