Vulnerability identifier: #VU33773

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-15896

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 read and manipulate data.

Node.js was affected by OpenSSL vulnerability CVE-2017-3737 in regards to the use of SSL_read() due to TLS handshake failure. The result was that an active network attacker could send application data to Node.js using the TLS or HTTP2 modules in a way that bypassed TLS authentication and encryption.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Node.js: 8.0.0, 8.1.0 - 8.1.4, 8.2.0 - 8.2.1, 8.3.0, 8.4.0, 8.6.0, 8.7.0, 8.8.0 - 8.8.1, 8.9.0 - 8.9.3, 9.0.0, 9.1.0, 9.2.0 - 9.2.1, 9.3.0

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External links
http://nodejs.org/en/blog/vulnerability/december-2017-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.