Vulnerability identifier: #VU33814

Vulnerability 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-2015-8027

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 perform a denial of service (DoS) attack.

Node.js 0.12.x before 0.12.9, 4.x before 4.2.3, and 5.x before 5.1.1 does not ensure the availability of a parser for each HTTP socket, which allows remote attackers to cause a denial of service (uncaughtException and service outage) via a pipelined HTTP request.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Node.js: 0.12.0 - 0.12.8

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External links
http://lists.opensuse.org/opensuse-updates/2016-01/msg00045.html
http://www.securityfocus.com/bid/78207
http://www-01.ibm.com/support/docview.wss?uid=swg1IV79524
http://www-01.ibm.com/support/docview.wss?uid=swg21972419
http://nodejs.org/en/blog/vulnerability/cve-2015-8027_cve-2015-6764/
http://nodejs.org/en/blog/vulnerability/december-2015-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.