### [CVE-2019-17555](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17555)
![](https://img.shields.io/static/v1?label=Product&message=Olingo&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=DoS%20via%20Retry-After%20header%20vulnerability&color=brighgreen)

### Description

The AsyncResponseWrapperImpl class in Apache Olingo versions 4.0.0 to 4.6.0 reads the Retry-After header and passes it to the Thread.sleep() method without any check. If a malicious server returns a huge value in the header, then it can help to implement a DoS attack.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/alphaSeclab/sec-daily-2019