CVEs-PoC/2017/CVE-2017-9785.md

### [CVE-2017-9785](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9785)
![](https://img.shields.io/static/v1?label=Product&message=NancyFX%20Framework%20Up%20to%202.0.0&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=NancyFX%20Framework%20Up%20to%202.0.0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Remote%20Code%20Execution%20via%20untrusted%20deserialization%20of%20Json%20data&color=brightgreen)

### Description

Csrf.cs in NancyFX Nancy before 1.4.4 and 2.x before 2.0-dangermouse has Remote Code Execution via Deserialization of JSON data in a CSRF Cookie.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/BitcoinChatGPT/DeserializeSignature-Vulnerability-Algorithm
- https://github.com/BitcoinChatGPT/Joux-Lercier-Vulnerability-Algorithm
- https://github.com/dotnet-felickz/vulnerable-dependencies