Denial of service in Node.js

Published: 2019-03-28 | Updated: 2020-03-20

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2019-5737 CVE-2019-5739
CWE-ID	CWE-400 CWE-399
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Node.js Server applications / Web servers
Vendor	Node.js Foundation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU26284

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5737

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

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 - 11.10.0

External links

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

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) Resource management error

EUVDB-ID: #VU26292