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CVE-2021-23406

Good to know:

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Date: August 24, 2021

This affects the package pac-resolver before 5.0.0. This can occur when used with untrusted input, due to unsafe PAC file handling. **NOTE:** The fix for this vulnerability is applied in the node-degenerator library, a dependency written by the same maintainer.

Language: JS

Severity Score

Related Resources (6)

https://github.com/TooTallNate
https://github.com/TooTallNate/node-degenerator/commit/9d25bb67d957bc2e5425fea7bf7a58b3fc64ff9e
https://github.com/TooTallNate/node-pac-resolver/releases/tag/5.0.0
https://github.com/TooTallNate/node-degenerator/commit/ccc3445354135398b6eb1a04c7d27c13b833f2d5
https://nvd.nist.gov/vuln/detail/CVE-2021-23406
https://www.mend.io/vulnerability-database/CVE-2021-23406

Severity Score

Weakness Type (CWE)

Code Injection

CWE-94

Insufficient Information

NVD-CWE-noinfo

Top Fix

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Upgrade Version

Upgrade to version pac-resolver -5.0.0, degenerator - 3.0.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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