Macro Express Pro 4.2.2.1 MXE File Syntactic Analysis Buffer Overflow PoC

A buffer overflow vulnerability has been identified in Macro Express Pro, possibly this vuln may exist in the regular version and older versions of Macro Express and Macro Express Pro. We’ve reported the issue to the vendor thru their bug reporting system (http://www.macros.com/bugreport.htm) and did not receive any response for confirmation or cooperation.

We’ve managed to overwrite few registers while debugging the application, thus executed arbitrary code on the affected system.

You can take a look at the advisory here: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-4986.php

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