CVE-2021-3560
HIGH
7,8
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
HIGH
7,2
Source: [email protected]
Access Vector: local
Access Complexity: low
Authentication: none
Confidentiality: complete
Integrity: complete
Availability: complete
Description
AI Translation Available
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.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,1215
Percentile
0,9th
Updated
EPSS Score Trend (Last 90 Days)
754
Improper Check for Unusual or Exceptional Conditions
IncompleteCommon Consequences
Security Scopes Affected:
Integrity
Availability
Potential Impacts:
Dos: Crash, Exit, Or Restart
Unexpected State
Applicable Platforms
All platforms may be affected
863
Incorrect Authorization
IncompleteCommon Consequences
Security Scopes Affected:
Confidentiality
Integrity
Access Control
Availability
Potential Impacts:
Read Application Data
Read Files Or Directories
Modify Application Data
Modify Files Or Directories
Gain Privileges Or Assume Identity
Bypass Protection Mechanism
Execute Unauthorized Code Or Commands
Dos: Crash, Exit, Or Restart
Dos: Resource Consumption (Cpu)
Dos: Resource Consumption (Memory)
Dos: Resource Consumption (Other)
Applicable Platforms
Technologies:
Database Server, Not Technology-Specific, Web Server
Exploit
Polkit 0.105-26 0.117-2 - Local Privilege Escalation
VerifiedPolkit 0.105-26 0.117-2 - Local Privilege Escalation
View Exploit Code →
Application
Openshift Container Platform by Redhat
CPE Identifier
View Detailed Analysis
cpe:2.3:a:redhat:openshift_container_platform:4.7:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Virtualization by Redhat
CPE Identifier
View Detailed Analysis
cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Polkit by Polkit Project
Version Range Affected
To
0.119
(exclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:a:polkit_project:polkit:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Ubuntu Linux by Canonical
CPE Identifier
View Detailed Analysis
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application
Virtualization Host by Redhat
CPE Identifier
View Detailed Analysis
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html
http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html
https://bugzilla.redhat.com/show_bug.cgi?id=1961710
https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-b…
http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html
http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html
https://bugzilla.redhat.com/show_bug.cgi?id=1961710
https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-b…