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 v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : 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

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Configurations

Configuration 1 (hide)

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

Information

Published : 2021-04-26 09:15

Updated : 2022-09-19 10:29

NVD link : CVE-2021-23382

Mitre link : CVE-2021-23382

JSON object : View

CWE

NVD-CWE-Other

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Products Affected

postcss

postcss

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