module

Sun Java Web Start Plugin Command Line Argument Injection

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Disclosed
Apr 9, 2010
Created
May 30, 2018

Description

This module exploits a flaw in the Web Start plugin component of Sun Java
Web Start. The arguments passed to Java Web Start are not properly validated.
By passing the lesser known -J option, an attacker can pass arbitrary options
directly to the Java runtime. By utilizing the -XXaltjvm option, as discussed
by Ruben Santamarta, an attacker can execute arbitrary code in the context of
an unsuspecting browser user.

This vulnerability was originally discovered independently by both Ruben
Santamarta and Tavis Ormandy. Tavis reported that all versions since version
6 Update 10 "are believed to be affected by this vulnerability."

In order for this module to work, it must be ran as root on a server that
does not serve SMB. Additionally, the target host must have the WebClient
service (WebDAV Mini-Redirector) enabled.

Author

jduck jduck@metasploit.com

Platform

Windows

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