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CVE-2016-10518

7.5 · HIGH

A vulnerability was found in the ping functionality of the ws module before 1.0.0 which allowed clients to allocate memory by sending a ping frame.

Published May 31, 2018CWE-201EPSS 1.98%

Overview

CVE-2016-10518 is a high-severity vulnerability. It was published on May 31, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A vulnerability was found in the ping functionality of the ws module before 1.0.0 which allowed clients to allocate memory by sending a ping frame. The ping functionality by default responds with a pong frame and the previously given payload of the ping frame. This is exactly what you expect, but internally ws always transforms all data that we need to send to a Buffer instance and that is where the vulnerability existed. ws didn't do any checks for the type of data it was sending. With buffers in node when you allocate it when a number instead of a string it will allocate the amount of bytes.

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

GitHubgist.github.com/c0nrad/e92005446c480707a74aGitHubgithub.com/websockets/ws/releases/tag/1.0.1Refnodesecurity.io/advisories/67GitHubgist.github.com/c0nrad/e92005446c480707a74aGitHubgithub.com/websockets/ws/releases/tag/1.0.1Refnodesecurity.io/advisories/67

How CyberStrike helps

Frequently asked questions

What is CVE-2016-10518?

CVE-2016-10518 is a high-severity vulnerability. It was published on May 31, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2016-10518?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-10518?

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-2016-10518?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-10518 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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