postcss-cssnext-3.1.0.tgz: 2 vulnerabilities (highest severity is: 7.5)

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Vulnerable Library - postcss-cssnext-3.1.0.tgz

Path to dependency file: /package.json

Path to vulnerable library: /package.json

Found in HEAD commit: 1e5781423c543a0c9bfedb4c5a57ca049920974b

Vulnerabilities

CVE	Severity	CVSS	Exploit Maturity	EPSS	Dependency	Type	Fixed in (postcss-cssnext version)	Remediation Possible**	Reachability
WS-2021-0152	High	7.5	Not Defined		color-string-0.3.0.tgz	Transitive	N/A*	❌
CVE-2021-29060	Medium	5.3	Not Defined	0.2%	color-string-0.3.0.tgz	Transitive	N/A*	❌

*For some transitive vulnerabilities, there is no version of direct dependency with a fix. Check the "Details" section below to see if there is a version of transitive dependency where vulnerability is fixed.

**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation

Details

WS-2021-0152

Vulnerable Library - color-string-0.3.0.tgz

Parser and generator for CSS color strings

Library home page: https://registry.npmjs.org/color-string/-/color-string-0.3.0.tgz

Path to dependency file: /package.json

Path to vulnerable library: /package.json

Dependency Hierarchy:

• postcss-cssnext-3.1.0.tgz (Root Library)
  • postcss-color-function-4.1.0.tgz
    • css-color-function-1.3.3.tgz
      • color-0.11.4.tgz
        • ❌ color-string-0.3.0.tgz (Vulnerable Library)

Found in HEAD commit: 1e5781423c543a0c9bfedb4c5a57ca049920974b

Found in base branch: main

Vulnerability Details

Regular Expression Denial of Service (ReDoS) was found in color-string before 1.5.5.

Publish Date: 2021-03-12

URL: WS-2021-0152

Threat Assessment

Exploit Maturity: Not Defined

EPSS:

CVSS 3 Score Details (7.5)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Release Date: 2021-03-12

Fix Resolution: color-string - 1.5.5

CVE-2021-29060

Vulnerable Library - color-string-0.3.0.tgz

Parser and generator for CSS color strings

Library home page: https://registry.npmjs.org/color-string/-/color-string-0.3.0.tgz

Path to dependency file: /package.json

Path to vulnerable library: /package.json

Dependency Hierarchy:

• postcss-cssnext-3.1.0.tgz (Root Library)
  • postcss-color-function-4.1.0.tgz
    • css-color-function-1.3.3.tgz
      • color-0.11.4.tgz
        • ❌ color-string-0.3.0.tgz (Vulnerable Library)

Found in HEAD commit: 1e5781423c543a0c9bfedb4c5a57ca049920974b

Found in base branch: main

Vulnerability Details

A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Color-String version 1.5.5 and below which occurs when the application is provided and checks a crafted invalid HWB string.

Publish Date: 2021-06-21

URL: CVE-2021-29060

Threat Assessment

Exploit Maturity: Not Defined

EPSS: 0.2%

CVSS 3 Score Details (5.3)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Low

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: GHSA-257v-vj4p-3w2h

Release Date: 2021-06-21

Fix Resolution: color-string - 1.5.5