CVE-2020-16126
accountsservice drops ruid, allows unprivileged users to send it signals
LOW 3.3EPSS 0.5%
An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, improperly dropped the ruid, allowing untrusted users to send signals to AccountService, thus stopping it from handling D-Bus messages in a timely fashion.
- Affected
- Freedesktop · accountsservice
- CVSS v3.1 NVD
- 3.3 LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - CVSS v2.0 NVD
- 2.1 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P - EPSS
- 0.54% chance of exploitation in the next 30 days, 44th percentile
- Published
- 2020-11-11
- Updated
- 2024-09-16
Proof-of-concept exploits (2)
- https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS
- zev3n/Ubuntu-Gnome-privilege-escalation3★ · 2020-11-12