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CVE-2021-3560 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html Third Party Advisory  VDB Entry 
https://bugzilla.redhat.com/show_bug.cgi?id=1961710 Issue Tracking  Patch  Vendor Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1961710 Issue Tracking  Patch  Vendor Advisory 
https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/ Exploit  Third Party Advisory 
https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/ Exploit  Third Party Advisory 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Red Hat Polkit Incorrect Authorization Vulnerability 05/12/2023 06/02/2023 Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-754 Improper Check for Unusual or Exceptional Conditions cwe source acceptance level NIST  
CWE-863 Incorrect Authorization Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-3560
NVD Published Date:
02/16/2022
NVD Last Modified:
11/21/2024
Source:
Red Hat, Inc.