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Samsung Galaxy KNOX Android Browser RCE

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Samsung Galaxy KNOX Android Browser RCE

Disclosed
11/12/2014
Created
05/30/2018

Description

A vulnerability exists in the KNOX security component of the Samsung Galaxy firmware that allows a remote webpage to install an APK with arbitrary permissions by abusing the 'smdm://' protocol handler registered by the KNOX component. The vulnerability has been confirmed in the Samsung Galaxy S4, S5, Note 3, and Ace 4.

Author(s)

  • Andre Moulu
  • jduck <jduck@metasploit.com>
  • joev <joev@metasploit.com>

Platform

Android

Architectures

dalvik

Development

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

Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.

– Jim O’Gorman | President, Offensive Security

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