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    Java Applet Field Bytecode Verifier Cache Remote Code Execution

    This module exploits a vulnerability in HotSpot bytecode verifier where an invalid optimisation of GETFIELD/PUTFIELD/GETSTATIC/PUTSTATIC instructions leads to insufficent type checks. This allows a way to escape the JRE sandbox, and load additional classes in order to perform malicious operations.

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    Module Name

    exploit/multi/browser/java_verifier_field_access

    Authors

    • Stefan Cornelius
    • mihi
    • littlelightlittlefire
    • juan vazquez <juan.vazquez [at] metasploit.com>
    • sinn3r <sinn3r [at] metasploit.com>

    References

    Targets

    • Generic (Java Payload)
    • Windows x86 (Native Payload)
    • Mac OS X PPC (Native Payload)
    • Mac OS X x86 (Native Payload)
    • Linux x86 (Native Payload)

    Platforms

    • java
    • linux
    • osx
    • solaris
    • windows

    Architectures

    • java
    • x86
    • ppc

    Reliability

    Development

    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_access msf exploit(java_verifier_field_access) > show targets ...targets... msf exploit(java_verifier_field_access) > set TARGET <target-id> msf exploit(java_verifier_field_access) > show options ...show and set options... msf exploit(java_verifier_field_access) > exploit

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