CVE-2020-16126

Public Exploit
accountsservice drops ruid, allows unprivileged users to send it signals

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.

Category

3.3
CVSS
Severity: Low
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.58% Top 20%
Third-Party Advisory github.com
Affected: Freedesktop accountsservice
Published at:
Updated at:

References

Link Tags
https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-16126?
CVE-2020-16126 has been scored as a low severity vulnerability.
How to fix CVE-2020-16126?
To fix CVE-2020-16126, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-16126 being actively exploited in the wild?
It is possible that CVE-2020-16126 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-16126?
CVE-2020-16126 affects Freedesktop accountsservice.
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