#VU25013 HTTP request smuggling in Node.js - CVE-2019-15605

Vulnerability identifier: #VU25013

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-15605

CWE-ID: CWE-444

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Node.js
Server applications / Web servers

Vendor: Node.js Foundation

Description

The vulnerability allows a remote attacker to perform HTTP request smuggling attack.

The vulnerability exists due to insufficient validation of Transfer-Encoding header. A remote attacker can send a specially crafted HTTP request to the application and perform a request smuggling attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Node.js: 10.0.0, 10.1.0 - 10.18.1, 10.2.0 - 10.2.1, 10.3.0, 10.4.0 - 10.4.1, 10.5.0, 10.6.0, 10.7.0, 10.8.0, 10.9 - 10.9.0, 12.0.0, 12.1.0 - 12.14.1, 12.2.0, 12.3.0 - 12.3.1, 12.4.0, 12.5.0, 12.6.0, 12.7.0, 12.8.0 - 12.8.1, 12.9.0 - 12.9.1, 13.0.0 - 13.0.1, 13.1.0, 13.2.0, 13.3.0, 13.4.0, 13.5.0, 13.6.0, 13.7.0

---

External links
https://github.com/nodejs/node/blob/master/doc/changelogs/CHANGELOG_V13.md#13.8.0
https://github.com/nodejs/node/commit/8f41e837bb

---

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.