CVE-2021-3560 Information

Description

It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to for example create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/ https://bugzilla.redhat.com/show_bug.cgi?id=1961710

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8