Description
This module exploits a vulnerability in HotSpot bytecode verifier where an invalid optimization of GETFIELD/PUTFIELD/GETSTATIC/PUTSTATIC instructions leads to insufficient type checks. This allows a way to escape the JRE sandbox, and load additional classes in order to perform malicious operations.
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/multi/browser/java_verifier_field_accessmsf undefined(java_verifier_field_access) > show actions ...actions...msf undefined(java_verifier_field_access) > set ACTION < action-name >msf undefined(java_verifier_field_access) > show options ...show and set options...msf undefined(java_verifier_field_access) > runPrioritise with Active Threat Intelligence
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