CVE Vulnerability

CVE-2021-3560

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.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/ Exploit Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1961710 Issue Tracking Patch
Configurations

Configuration 1

cpe:2.3:a:polkit_project:polkit:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:*:*:*:*
Information

Published : 2022-02-16 07:15

Updated : 2022-07-11 06:05

NVD link : CVE-2021-3560

Mitre link : CVE-2021-3560

Products Affected

Redhat

Virtualization Host

CWE
CWE-754