cve/2023/CVE-2023-22792.md

### [CVE-2023-22792](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-22792)
![](https://img.shields.io/static/v1?label=Product&message=https%3A%2F%2Fgithub.com%2Frails%2Frails&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Denial%20of%20Service%20(CWE-400)&color=brighgreen)

### Description

A regular expression based DoS vulnerability in Action Dispatch <6.0.6.1,< 6.1.7.1, and <7.0.4.1. Specially crafted cookies, in combination with a specially crafted X_FORWARDED_HOST header can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon