Method and apparatus to retain system control when a buffer overflow attack occurs
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Feb 24, 2005
app pub date -
Aug 19, 2003
filing date -
Aug 19, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In one embodiment, a method is provided. The method comprises encountering a function call instruction that calls a called function during program execution; saving a return address in a first stack and in a second stack, the return address containing an instruction to be executed after execution of the called function; executing the called function; and determining if the return address stored in the first stack matches the return address stored in the second stack.
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