#VU26284 Resource exhaustion in Node.js - CVE-2019-5737

Vulnerability identifier: #VU26284

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-5737

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Node.js
Server applications / Web servers

Vendor: Node.js Foundation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect processing of keep-alive packets. A remote attacker can send keep-alive packets very slowly and trigger resource exhaustion.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Node.js: 6.0.0, 6.1.0 - 6.16.0, 6.2.0 - 6.2.2, 6.3.0 - 6.3.1, 6.4.0, 6.5.0, 6.6.0, 6.7.0, 6.8.0 - 6.8.1, 6.9.0 - 6.9.5, 8.0.0, 8.1.0 - 8.15.0, 8.2.0 - 8.2.1, 8.3.0, 8.4.0, 8.5.0, 8.6.0, 8.7.0, 8.8.0 - 8.8.1, 8.9.0 - 8.9.4, 10.0.0, 10.1.0 - 10.15.1, 10.2.0 - 10.2.1, 10.3.0, 10.4.0 - 10.4.1, 10.5.0, 10.6.0, 10.7.0, 10.8.0, 10.9.0, 11.0.0, 11.1.0 - 11.10.0, 11.2.0, 11.3.0, 11.4.0, 11.5.0, 11.6.0, 11.7.0, 11.8.0, 11.9.0

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External links
https://lists.opensuse.org/opensuse-security-announce/2019-03/msg00041.html
https://lists.opensuse.org/opensuse-security-announce/2019-04/msg00046.html
https://lists.opensuse.org/opensuse-security-announce/2019-04/msg00059.html
https://access.redhat.com/errata/RHSA-2019:1821
https://nodejs.org/en/blog/vulnerability/february-2019-security-releases/
https://security.netapp.com/advisory/ntap-20190502-0008/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.