cve/2018/CVE-2018-16869.md

### [CVE-2018-16869](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16869)
![](https://img.shields.io/static/v1?label=Product&message=nettle&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20n%2Fa%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-203&color=brighgreen)

### Description

A Bleichenbacher type side-channel based padding oracle attack was found in the way nettle handles endian conversion of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run a process on the same physical core as the victim process, could use this flaw extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.

### POC

#### Reference
- http://cat.eyalro.net/

#### Github
- https://github.com/flyrev/security-scan-ci-presentation