### [CVE-2017-3156](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-3156)
![](https://img.shields.io/static/v1?label=Product&message=Apache%20CXF&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Timing%20attack&color=brighgreen)

### Description

The OAuth2 Hawk and JOSE MAC Validation code in Apache CXF prior to 3.0.13 and 3.1.x prior to 3.1.10 is not using a constant time MAC signature comparison algorithm which may be exploited by sophisticated timing attacks.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/eliasgranderubio/4depcheck