Input validation error in Node.js

1) Input validation error

EUVDB-ID: #VU32332

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-2016-2216

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

The HTTP header parsing code in Node.js 0.10.x before 0.10.42, 0.11.6 through 0.11.16, 0.12.x before 0.12.10, 4.x before 4.3.0, and 5.x before 5.6.0 allows remote attackers to bypass an HTTP response-splitting protection mechanism via UTF-8 encoded Unicode characters in the HTTP header, as demonstrated by %c4%8d%c4%8a.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Node.js: 0.10.0 - 0.10.41

CPE2.3

• cpe:2.3:a:node_js_foundation:nodejs:0.10.41:*:*:*:*:*:*:*

External links

http://blog.safebreach.com/2016/02/09/http-response-splitting-in-node-js-root-cause-analysis/
http://info.safebreach.com/hubfs/Node-js-Response-Splitting.pdf
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177184.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177673.html
http://packetstormsecurity.com/files/135711/Node.js-HTTP-Response-Splitting.html
http://www.securityfocus.com/bid/83141
http://nodejs.org/en/blog/vulnerability/february-2016-security-releases/
http://security.gentoo.org/glsa/201612-43

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.