Vulnerability identifier: #VU32331

Vulnerability risk: Medium

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

CVE-ID: CVE-2016-2086

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 non-authenticated attacker to manipulate data.

Node.js 0.10.x before 0.10.42, 0.12.x before 0.12.10, 4.x before 4.3.0, and 5.x before 5.6.0 allow remote attackers to conduct HTTP request smuggling attacks via a crafted Content-Length HTTP header.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Node.js: 0.10.0 - 0.10.41

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External links
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177184.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177673.html
http://www.securityfocus.com/bid/83282
http://nodejs.org/en/blog/vulnerability/february-2016-security-releases/
http://security.gentoo.org/glsa/201612-43

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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.