CVE-2023-51701

@fastify-reply-from JSON Content-Type parsing confusion

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

fastify-reply-from is a Fastify plugin to forward the current HTTP request to another server. A reverse proxy server built with `@fastify/reply-from` could misinterpret the incoming body by passing an header `ContentType: application/json ; charset=utf-8`. This can lead to bypass of security checks. This vulnerability has been patched in '@fastify/reply-from` version 9.6.0.

fastify-reply-from es un complemento de Fastify para reenviar la solicitud HTTP actual a otro servidor. Un servidor proxy inverso creado con `@fastify/reply-from` podría malinterpretar el cuerpo entrante al pasar un encabezado `ContentType: application/json; charset=utf-8`. Esto puede provocar que se eludan los controles de seguridad. Esta vulnerabilidad ha sido parcheada en '@fastify/reply-from` versión 9.6.0.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-12-21 CVE Reserved
2024-01-08 CVE Published
2024-01-12 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

CAPEC

References (2)

URL	Tag	Source
https://github.com/fastify/fastify-reply-from/releases/tag/v9.6.0	Release Notes

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://github.com/fastify/fastify-reply-from/security/advisories/GHSA-v2v2-hph8-q5xp	2024-01-11

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Fastify Search vendor "Fastify"		Reply-from Search vendor "Fastify" for product "Reply-from"				< 9.6.0 Search vendor "Fastify" for product "Reply-from" and version " < 9.6.0"		node.js		Affected