CVE-2020-16126

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
3.3 LOW
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
canonicalCNA
3.3 LOW
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 74%
VendorProductVersion
freedesktopaccountsservice
𝑥
< 0.6.55
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
accountsservice
bullseye
0.6.55-3
fixed
bookworm
22.08.8-6
fixed
sid
23.13.9-7
fixed
trixie
23.13.9-7
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
accountsservice
groovy
Fixed 0.6.55-0ubuntu13.2
released
focal
Fixed 0.6.55-0ubuntu12~20.04.4
released
bionic
Fixed 0.6.45-1ubuntu1.3
released
xenial
Fixed 0.6.40-2ubuntu11.6
released
trusty
Fixed 0.6.35-0ubuntu7.3+esm2
released
Common Weakness Enumeration
References
https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS
https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS