cve/2006/CVE-2006-4021.md

### [CVE-2006-4021](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4021)
![](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 cryptographic module in ScatterChat 1.0.x allows attackers to identify patterns in large numbers of messages by identifying collisions using a birthday attack on the custom padding mechanism for ECB mode encryption.

### POC

#### Reference
- http://securityreason.com/securityalert/1396

#### Github
No PoCs found on GitHub currently.