Vulnerability DatabaseCVE-2022-21222
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CVE-2022-21222
September 30, 2022
The package css-what before 2.1.3 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the usage of insecure regular expression in the re_attr variable of index.js. The exploitation of this vulnerability could be triggered via the parse function.
Affected Packages
css-what (NPM):
Affected version(s) >=1.0.0 <2.1.3
Fix Suggestion:
Update to version 2.1.3
Related Resources (7)
https://github.com/fb55/css-what
https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html
https://github.com/fb55/css-what/commit/dc510929790da6617e7aa93a616498b22f6a6b72
https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js#23L12
https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12
https://nvd.nist.gov/vuln/detail/CVE-2022-21222
https://security-tracker.debian.org/tracker/CVE-2022-21222
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CVSS v4
Base Score:
5.5
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
Uncontrolled Resource Consumption
CWE-400
Inefficient Regular Expression Complexity
CWE-1333
EPSS
Base Score:
0.25