Data Handling in Node.js

1) Data Handling

EUVDB-ID: #VU32225

Risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-7099

CWE-ID: CWE-19 - Data Handling

Exploit availability: No

Description

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

The tls.checkServerIdentity function in Node.js 0.10.x before 0.10.47, 0.12.x before 0.12.16, 4.x before 4.6.0, and 6.x before 6.7.0 does not properly handle wildcards in name fields of X.509 certificates, which allows man-in-the-middle attackers to spoof servers via a crafted certificate.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Node.js: 0.10.0 - 0.10.46

External links

http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.html
http://rhn.redhat.com/errata/RHSA-2017-0002.html
http://www.securityfocus.com/bid/93191
http://github.com/nodejs/node/commit/743f0c916469f3129dfae406fa104dc46782e20b
http://nodejs.org/en/blog/vulnerability/september-2016-security-releases/

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.