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CVE-2019-5737

7.5 · HIGH

In Node.js including 6.x before 6.17.0, 8.x before 8.15.1, 10.x before 10.15.2, and 11.x before 11.10.1, an attacker can cause a Denial of Service (DoS) by establishing an HTTP or HTTPS connection…

Published Mar 28, 2019CWE-400EPSS 16.18%

Overview

CVE-2019-5737 is a high-severity vulnerability. It was published on March 28, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 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

In Node.js including 6.x before 6.17.0, 8.x before 8.15.1, 10.x before 10.15.2, and 11.x before 11.10.1, an attacker can cause a Denial of Service (DoS) by establishing an HTTP or HTTPS connection in keep-alive mode and by sending headers very slowly. This keeps the connection and associated resources alive for a long period of time. Potential attacks are mitigated by the use of a load balancer or other proxy layer. This vulnerability is an extension of CVE-2018-12121, addressed in November and impacts all active Node.js release lines including 6.x before 6.17.0, 8.x before 8.15.1, 10.x before 10.15.2, and 11.x before 11.10.1.

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

Reflists.opensuse.org/opensuse-security-announce/2019-03/msg00041.htmlReflists.opensuse.org/opensuse-security-announce/2019-04/msg00046.htmlReflists.opensuse.org/opensuse-security-announce/2019-04/msg00059.htmlRefaccess.redhat.com/errata/RHSA-2019:1821Refnodejs.org/en/blog/vulnerability/february-2019-security-releases/Refsecurity.gentoo.org/glsa/202003-48Refsecurity.netapp.com/advisory/ntap-20190502-0008/Reflists.opensuse.org/opensuse-security-announce/2019-03/msg00041.htmlReflists.opensuse.org/opensuse-security-announce/2019-04/msg00046.htmlReflists.opensuse.org/opensuse-security-announce/2019-04/msg00059.html

How CyberStrike helps

Frequently asked questions

What is CVE-2019-5737?

CVE-2019-5737 is a high-severity vulnerability. It was published on March 28, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2019-5737?

This vulnerability has a CVSS 3.1 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-2019-5737?

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-2019-5737?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-5737 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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