#VU13376 Improper input validation in Node.js - CVE-2018-7161

Vulnerability identifier: #VU13376

Vulnerability risk: Low

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:Clear]

CVE-ID: CVE-2018-7161

CWE-ID: CWE-20

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 cause DoS condition on the target system.

The vulnerability exists due to a cleanup bug where objects are used in native code after they are no longer available when the affected software interacts with an HTTP/2 server. A remote attacker can send a specially crafted request that submits malicious input to the targeted node server that provides an HTTP/2 server and cause the node server to crash.

Mitigation
Update to version 10.4.1.

Vulnerable software versions

Node.js: 8.0.0, 8.1.0 - 8.11.3, 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, 9.0.0, 9.1.0 - 9.11.2, 9.2.0 - 9.2.1, 9.3.0, 9.4.0, 9.5.0, 9.6.0 - 9.6.1, 9.7.0 - 9.7.1, 9.8.0, 9.9.0, 10.0.0, 10.1.0, 10.2.0 - 10.2.1, 10.3.0, 10.4.0

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External links
https://nodejs.org/en/blog/vulnerability/june-2018-security-releases/

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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.