Description
This module exploits a 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.
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/mozilla/mchannelmsf undefined(mchannel) > show actions ...actions...msf undefined(mchannel) > set ACTION < action-name >msf undefined(mchannel) > show options ...show and set options...msf undefined(mchannel) > runPrioritise with Active Threat Intelligence
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