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Apple Safari file:// Arbitrary Code Execution

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Apple Safari file:// Arbitrary Code Execution

Disclosed
10/12/2011
Created
05/30/2018

Description

This module exploits a vulnerability found in Apple Safari on OS X platform. A policy issue in the handling of file:// URLs may allow arbitrary remote code execution under the context of the user. In order to trigger arbitrary remote code execution, the best way seems to be opening a share on the victim machine first (this can be SMB/WebDav/FTP, or a file format that OS X might automount), and then execute it in /Volumes/[share]. If there's some kind of bug that leaks the victim machine's current username, then it's also possible to execute the payload in /Users/[username]/Downloads/, or else bruteforce your way to getting that information. Please note that non-java payloads (*.sh extension) might get launched by Xcode instead of executing it, in that case please try the Java ones instead.

Author(s)

  • Aaron Sigel
  • sinn3r <sinn3r@metasploit.com>

Platform

Java,OSX,Unix

Architectures

cmd, java

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

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