Node.js up to 12.18.3/14.10 HTTP Header request smuggling

Summaryinfo

A vulnerability marked as critical has been reported in Node.js up to 12.18.3/14.10. This issue affects some unknown processing. The manipulation as part of HTTP Header leads to request smuggling. This vulnerability is uniquely identified as CVE-2020-8201. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Node.js up to 12.18.3/14.10 (JavaScript Library) and classified as critical. This issue affects an unknown code. The manipulation as part of a HTTP Header leads to a request smuggling vulnerability. Using CWE to declare the problem leads to CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Node.js < 12.18.4 and < 14.11 can be exploited to perform HTTP desync attacks and deliver malicious payloads to unsuspecting users. The payloads can be crafted by an attacker to hijack user sessions, poison cookies, perform clickjacking, and a multitude of other attacks depending on the architecture of the underlying system. The attack was possible due to a bug in processing of carrier-return symbols in the HTTP header names.

The weakness was disclosed 09/18/2020 (Website). It is possible to read the advisory at hackerone.com. The identification of this vulnerability is CVE-2020-8201 since 01/28/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 12.18.4 or 14.11.0 eliminates this vulnerability.

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Productinfo

Type

• JavaScript Library

Name

• Node.js

Version

• 12.18.0
• 12.18.1
• 12.18.2
• 12.18.3
• 14.0
• 14.1
• 14.2
• 14.3
• 14.4
• 14.5
• 14.6
• 14.7
• 14.8
• 14.9
• 14.10

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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