css-loader-3.6.0.tgz: 2 vulnerabilities (highest severity is: 8.7) - autoclosed

[mend-for-github-com[bot]]

Vulnerable Library - css-loader-3.6.0.tgz

Path to dependency file: /package.json

Path to vulnerable library: /package.json

Found in HEAD commit: 7f99c836ea749efa113ef0ccdc60bfe4cbbfa856

Vulnerabilities

CVE	Severity	CVSS	Exploit Maturity	EPSS	Dependency	Type	Fixed in (css-loader version)	Remediation Possible**	Reachability
CVE-2021-23382	High	8.7	Not Defined	0.2%	postcss-7.0.32.tgz	Transitive	4.0.0	✅
CVE-2021-23368	Medium	6.9	Not Defined	0.5%	postcss-7.0.32.tgz	Transitive	4.0.0	✅

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

Details

CVE-2021-23382

### Vulnerable Library - postcss-7.0.32.tgz

Tool for transforming styles with JS plugins

Library home page: https://registry.npmjs.org/postcss/-/postcss-7.0.32.tgz

Path to dependency file: /package.json

Path to vulnerable library: /package.json

Dependency Hierarchy: - css-loader-3.6.0.tgz (Root Library) - :x: **postcss-7.0.32.tgz** (Vulnerable Library)

Found in HEAD commit: 7f99c836ea749efa113ef0ccdc60bfe4cbbfa856

Found in base branch: unstable

### Vulnerability Details

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=(.*).

Publish Date: 2021-04-26

URL: CVE-2021-23382

### Threat Assessment

Exploit Maturity: Not Defined

EPSS: 0.2%

### CVSS 4 Score Details (8.7)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: N/A - Impact Metrics: - Confidentiality Impact: N/A - Integrity Impact: N/A - Availability Impact: N/A

For more information on CVSS4 Scores, click here.

### Suggested Fix

Type: Upgrade version

Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23382

Release Date: 2021-04-26

Fix Resolution (postcss): 7.0.36

Direct dependency fix Resolution (css-loader): 4.0.0

In order to enable automatic remediation, please create workflow rules

CVE-2021-23368

### Vulnerable Library - postcss-7.0.32.tgz

Tool for transforming styles with JS plugins

Library home page: https://registry.npmjs.org/postcss/-/postcss-7.0.32.tgz

Path to dependency file: /package.json

Path to vulnerable library: /package.json

Dependency Hierarchy: - css-loader-3.6.0.tgz (Root Library) - :x: **postcss-7.0.32.tgz** (Vulnerable Library)

Found in HEAD commit: 7f99c836ea749efa113ef0ccdc60bfe4cbbfa856

Found in base branch: unstable

### Vulnerability Details

The package postcss from 7.0.0 and before 8.2.10 are vulnerable to Regular Expression Denial of Service (ReDoS) during source map parsing.

Publish Date: 2021-04-12

URL: CVE-2021-23368

### Threat Assessment

Exploit Maturity: Not Defined

EPSS: 0.5%

### CVSS 4 Score Details (6.9)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: N/A - Impact Metrics: - Confidentiality Impact: N/A - Integrity Impact: N/A - Availability Impact: N/A

For more information on CVSS4 Scores, click here.

### Suggested Fix

Type: Upgrade version

Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23368

Release Date: 2021-04-12

Fix Resolution (postcss): 7.0.36

Direct dependency fix Resolution (css-loader): 4.0.0

In order to enable automatic remediation, please create workflow rules

---

In order to enable automatic remediation for this issue, please create workflow rules

[mend-for-github-com[bot]]

:information_source: This issue was automatically closed by Mend because it is a duplicate of an existing issue: #929