QID 375841

Date Published: 2021-09-23

QID 375841: Node.js Pac-Resolver Module Remote Code Execution (RCE) Vulnerability

The Node.js pac-resolver module could allow a remote attacker to execute arbitrary code on the system, and it occurs when used with untrusted input, due to unsafe PAC file handling

Affected Versions:
pac-resolver before 5.0.0
QID Detection Logic:
This authenticated QID retrieves vulnerable pac-resolver versions by running npm view pac-resolver | grep 'version:'.

An attacker can exploit this issue to execute arbitrary code with in the context of the affected application resulting into Remote Code Execution.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Customers are advised to upgrade to Node.js pac-resolver 5.0.0 or the latest versions to remediate this vulnerability.

Vendor References

CVE-2021-23406 - nvd.nist.gov/vuln/detail/CVE-2021-23406

CVEs related to QID 375841

CVE-2021-23406 |

Software Advisories

Advisory ID	Software	Component	Link
CVE-2021-23406			github.com/TooTallNate/node-pac-resolver/releases/tag/5.0.0

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