Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnome | Gnome Display Manager | < 3.36.2 |
Related Weaknesses (CWE)
References
- https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314Third Party Advisory
- https://gitlab.gnome.org/GNOME/gdm/-/issues/642ExploitVendor Advisory
- https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-acExploitThird Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314Third Party Advisory
- https://gitlab.gnome.org/GNOME/gdm/-/issues/642ExploitVendor Advisory
- https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-acExploitThird Party Advisory
FAQ
What is CVE-2020-16125?
CVE-2020-16125 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 b...
How severe is CVE-2020-16125?
CVE-2020-16125 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-16125?
Check the references section above for vendor advisories and patch information. Affected products include: Gnome Gnome Display Manager.