#VU53837 Permissions, Privileges, and Access Controls in polkit - CVE-2021-3560

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Main Vulnerability Database Vulnerabilities #VU53837

#VU53837 Permissions, Privileges, and Access Controls in polkit - CVE-2021-3560

Published: June 7, 2021 / Updated: May 12, 2023


Vulnerability identifier: #VU53837
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2021-3560
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
polkit
Software vendor:
Freedesktop.org

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the "polkit_system_bus_name_get_creds_sync" function, which leads to security restrictions bypass and privilege escalation.


Remediation

Install updates from vendor's website.

External links