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SaltStack Salt Master/Minion Unauthenticated RCE

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SaltStack Salt Master/Minion Unauthenticated RCE

Disclosed
04/30/2020
Created
05/13/2020

Description

This module exploits unauthenticated access to the runner() and _send_pub() methods in the SaltStack Salt master's ZeroMQ request server, for versions 2019.2.3 and earlier and 3000.1 and earlier, to execute code as root on either the master or on select minions. VMware vRealize Operations Manager versions 7.5.0 through 8.1.0, as well as Cisco Modeling Labs Corporate Edition (CML) and Cisco Virtual Internet Routing Lab Personal Edition (VIRL-PE), for versions 1.2, 1.3, 1.5, and 1.6 in certain configurations, are known to be affected by the Salt vulnerabilities. Tested against SaltStack Salt 2019.2.3 and 3000.1 on Ubuntu 18.04, as well as Vulhub's Docker image.

Author(s)

  • F-Secure
  • wvu <wvu@metasploit.com>

Platform

Python,Unix

Architectures

python, cmd

Development

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use exploit/linux/misc/saltstack_salt_unauth_rce
msf exploit(saltstack_salt_unauth_rce) > show targets
    ...targets...
msf exploit(saltstack_salt_unauth_rce) > set TARGET < target-id >
msf exploit(saltstack_salt_unauth_rce) > show options
    ...show and set options...
msf exploit(saltstack_salt_unauth_rce) > exploit

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