This Metasploit module exploits combined heap and stack buffer overflows for QNAP NAS and NVR devices to dump the admin (root) shadow hash from memory via an overwrite of __libc_argv[0] in the HTTP-header-bound glibc backtrace. A binary search is performed to find the correct offset for the BOFs. Since the server forks, blind remote exploitation is possible, provided the heap does not have ASLR.
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