CVE-2021-23382

The package postcss before 8.2.13 are vulnerable to Regular Expression Denial of Service (ReDoS) via getAnnotationURL() and loadAnnotation() in lib/previous-map.js. The vulnerable regexes are caused mainly by the sub-pattern \/\*\s* sourceMappingURL=(.*).

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/postcss/postcss/commit/2b1d04c867995e55124e0a165b7c6622c1735956	Patch Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1255641	Exploit Patch Third Party Advisory
https://snyk.io/vuln/SNYK-JS-POSTCSS-1255640	Exploit Patch Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:postcss:postcss::::::node.js::*
	cpe:2.3:a:postcss:postcss::::::node.js::*

History

08 Aug 2023, 14:22

Type	Values Removed	Values Added
CWE	~~NVD-CWE-Other~~	CWE-1333
CVSS	v2 : ~~5.0~~ v3 : ~~5.3~~	v2 : 5.0 v3 : 7.5

Information

Published : 2021-04-26 16:15

Updated : 2024-02-04 21:47

NVD link : CVE-2021-23382

Mitre link : CVE-2021-23382

CVE.ORG link : CVE-2021-23382

JSON object : View

Products Affected

postcss

postcss

CWE

CWE-1333

Inefficient Regular Expression Complexity

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