Low severity · published Nov 11, 2020
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…
3.3
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
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
AC
Accountsservice · Freedesktop
before 0.6.55 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-16126
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-16126
Exploit
https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS
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