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CVE-2013-4660

6.8 · MEDIUM

The JS-YAML module before 2.0.5 for Node.js parses input without properly considering the unsafe !!js/function tag, which allows remote attackers to execute arbitrary code via a crafted string that…

Published Jun 28, 2013nodecaCWE-20EPSS 17.32%

Overview

CVE-2013-4660 is a medium-severity vulnerability affecting nodeca js-yaml. It was published on June 28, 2013 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The JS-YAML module before 2.0.5 for Node.js parses input without properly considering the unsafe !!js/function tag, which allows remote attackers to execute arbitrary code via a crafted string that triggers an eval operation.

Remediation

Check the references section for vendor advisories and patches from nodeca. Update js-yaml to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
nodecajs-yaml0Affected

References

Refportal.nodesecurity.io/advisories/js-yamlRefnealpoole.com/blog/2013/06/code-execution-via-yaml-in-js-yaml-nodejs-module/Refportal.nodesecurity.io/advisories/js-yamlRefnealpoole.com/blog/2013/06/code-execution-via-yaml-in-js-yaml-nodejs-module/

How CyberStrike helps

Frequently asked questions

What is CVE-2013-4660?

CVE-2013-4660 is a medium-severity vulnerability affecting nodeca js-yaml. It was published on June 28, 2013 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2013-4660?

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-4660?

Check the references section for vendor advisories and patches from nodeca. Update js-yaml to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-4660?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-4660 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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