### [CVE-2015-4411](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4411)
![](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 Moped::BSON::ObjecId.legal? method in mongodb/bson-ruby before 3.0.4 as used in rubygem-moped allows remote attackers to cause a denial of service (worker resource consumption) via a crafted string. NOTE: This issue is due to an incomplete fix to CVE-2015-4410.

### POC

#### Reference
- https://sakurity.com/blog/2015/06/04/mongo_ruby_regexp.html

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