Vulnerability identifier: #VU13379

Vulnerability risk: Low

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-2018-7167

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 insufficient validation of user-supplied input. A remote attacker can supply Calling Buffer.fill() or Buffer.alloc() with some parameters and cause the server to hang.

Mitigation
Update to version 10.4.1.

Vulnerable software versions

Node.js: 8.11.0 - 8.11.3, 8.9.0 - 8.9.4, 8.8.0 - 8.8.1, 8.7.0, 8.6.0, 8.5.0, 8.4.0, 8.3.0, 8.2.0 - 8.2.1, 8.1.0 - 8.1.4, 8.0.0, 8.10.0, 9.11.0 - 9.11.2, 9.10.0 - 9.10.1, 9.8.0, 9.7.0 - 9.7.1, 9.6.0 - 9.6.1, 9.5.0, 9.4.0, 9.3.0, 9.2.0 - 9.2.1, 9.1.0, 9.0.0, 9.9.0, 10.4.0, 10.3.0, 10.2.0 - 10.2.1, 10.1.0, 10.0.0, 6.13.0 - 6.13.1, 6.9.0 - 6.9.5, 6.8.0 - 6.8.1, 6.7.0, 6.6.0, 6.5.0, 6.4.0, 6.3.0 - 6.3.1, 6.0.0, 6.1.0, 6.2.0 - 6.2.2

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External links
http://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.