Security Tools White Papers
SmashGuard: A Hardware Solution to Prevent Security Attacks on the Function Return Address
Overview A buffer overflow attack is perhaps the most common attack used to compromise the security of a host. This attack can be used to change the function return address and redirect execution to the attacker's code. This paper presents a hardware-based solution, called SmashGuard, to protect against all known forms of attack on the function return addresses stored on the program stack. With each function call instruction, the current return address is pushed onto a hardware stack. A return instruction compares its address to the return address from the top of the hardware stack. An exception is raised to signal the mismatch.
| Publisher | Purdue University | File Format | |
|---|---|---|---|
| Date Published | March 2006 | Downloads | 3 |
| Format | White Papers | ||
| Topics | |||
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