Permissions, Privileges, and Access Controls in accountsservice (Ubuntu package) - CVE-2020-16126

 

Permissions, Privileges, and Access Controls in accountsservice (Ubuntu package) - CVE-2020-16126

Published: November 11, 2020 / Updated: November 12, 2020


Vulnerability identifier: #VU48380
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2020-16126
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: Public exploit is available
Vendor: Canonical Ltd.
Affected software:
accountsservice (Ubuntu package)

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to the affected software improperly drops the RUID. A local user can send signals to accountsservice and perform a denial of service (DoS) attack.


How to mitigate CVE-2020-16126

Install updates from vendor's website.

Sources