module

Mac OS X Sudo Password Bypass

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Disclosed
2013-02-28
Created
2018-05-30

Description

This module gains a session with root permissions on versions of OS X with
sudo binary vulnerable to CVE-2013-1775. Tested working on Mac OS 10.7-10.8.4,
and possibly lower versions.

If your session belongs to a user with Administrative Privileges
(the user is in the sudoers file and is in the "admin group"), and the
user has ever run the "sudo" command, it is possible to become the super
user by running `sudo -k` and then resetting the system clock to 01-01-1970.

This module will fail silently if the user is not an admin, if the user has never
run the sudo command, or if the admin has locked the Date/Time preferences.

Note: If the user has locked the Date/Time preferences, requests to overwrite
the system clock will be ignored, and the module will silently fail. However,
if the "Require an administrator password to access locked preferences" setting
is not enabled, the Date/Time preferences are often unlocked every time the admin
logs in, so you can install persistence and wait for a chance later.

Authors

Todd C. Miller
joev joev@metasploit.com
juan vazquez juan.vazquez@metasploit.com

Platform

OSX

Architectures

x86, x64, cmd

References

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/osx/local/sudo_password_bypass
    msf exploit(sudo_password_bypass) > show targets
        ...targets...
    msf exploit(sudo_password_bypass) > set TARGET < target-id >
    msf exploit(sudo_password_bypass) > show options
        ...show and set options...
    msf exploit(sudo_password_bypass) > exploit
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