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CVE-2016-10536

5.9 · MEDIUM

engine.io-client is the client for engine.io, the implementation of a transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO.

Published May 31, 2018CWE-300EPSS 1.00%

Overview

CVE-2016-10536 is a medium-severity vulnerability. It was published on May 31, 2018 and has a CVSS 3.0 base score of 5.9 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

engine.io-client is the client for engine.io, the implementation of a transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. The vulnerability is related to the way that node.js handles the `rejectUnauthorized` setting. If the value is something that evaluates to false, certificate verification will be disabled. This is problematic as engine.io-client 1.6.8 and earlier passes in an object for settings that includes the rejectUnauthorized property, whether it has been set or not. If the value has not been explicitly changed, it will be passed in as `null`, resulting in certificate verification being turned off.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

GitHubgithub.com/socketio/engine.io-client/commit/2c55b278a491bf45313ecc0825cf800e2f7ff5c1Refnodesecurity.io/advisories/99Refwww.cigital.com/blog/node-js-socket-io/GitHubgithub.com/socketio/engine.io-client/commit/2c55b278a491bf45313ecc0825cf800e2f7ff5c1Refnodesecurity.io/advisories/99Refwww.cigital.com/blog/node-js-socket-io/

How CyberStrike helps

Frequently asked questions

What is CVE-2016-10536?

CVE-2016-10536 is a medium-severity vulnerability. It was published on May 31, 2018 and has a CVSS 3.0 base score of 5.9 (MEDIUM).

How severe is CVE-2016-10536?

This vulnerability has a CVSS 3.0 base score of 5.9, 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-2016-10536?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2016-10536?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-10536 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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