cve/2024/CVE-2024-46242.md

### [CVE-2024-46242](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-46242)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

An issue in the validate_email function in CTFd/utils/validators/__init__.py of CTFd 3.7.3 allows attackers to cause a Regular expression Denial of Service (ReDoS) via supplying a crafted string as e-mail address during registration.

### POC

#### Reference
- https://gist.github.com/salvatore-abello/4f01f3fa54672febc0a492a11a26592c

#### Github
- https://github.com/salvatore-abello/salvatore-abello