Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2020-11-11T04:15:12.053

Last Modified

2024-11-21T05:06:48.863

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 3.3 (LOW)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-269
Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	freedesktop	accountsservice	< 0.6.55	Yes

References

https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS Exploit, Third Party Advisory ([email protected])
https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)