### [CVE-2018-13257](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13257)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

The bb-auth-provider-cas authentication module within Blackboard Learn 2018-07-02 is susceptible to HTTP host header spoofing during Central Authentication Service (CAS) service ticket validation, enabling a phishing attack from the CAS server login page.

### POC

#### Reference
- https://github.com/gluxon/CVE-2018-13257
- https://github.com/gluxon/CVE-2018-13257

#### Github
- https://github.com/0xT11/CVE-POC
- https://github.com/gluxon/CVE-2018-13257