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CVE-2017-11499

7.5 · HIGH

Node.js v4.0 through v4.8.3, all versions of v5.x, v6.0 through v6.11.0, v7.0 through v7.10.0, and v8.0 through v8.1.3 was susceptible to hash flooding remote DoS attacks as the HashTable seed was…

Published Jul 25, 2017CWE-20EPSS 5.43%

Overview

CVE-2017-11499 is a high-severity vulnerability. It was published on July 25, 2017 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

Node.js v4.0 through v4.8.3, all versions of v5.x, v6.0 through v6.11.0, v7.0 through v7.10.0, and v8.0 through v8.1.3 was susceptible to hash flooding remote DoS attacks as the HashTable seed was constant across a given released version of Node.js. This was a result of building with V8 snapshots enabled by default which caused the initially randomized seed to be overwritten on startup.

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

Refwww.securityfocus.com/bid/99959Refaccess.redhat.com/errata/RHSA-2017:2908Refaccess.redhat.com/errata/RHSA-2017:3002Refnodejs.org/en/blog/vulnerability/july-2017-security-releases/Refwww.securityfocus.com/bid/99959Refaccess.redhat.com/errata/RHSA-2017:2908Refaccess.redhat.com/errata/RHSA-2017:3002Refnodejs.org/en/blog/vulnerability/july-2017-security-releases/

How CyberStrike helps

Frequently asked questions

What is CVE-2017-11499?

CVE-2017-11499 is a high-severity vulnerability. It was published on July 25, 2017 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2017-11499?

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-2017-11499?

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-2017-11499?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-11499 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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