Buffer Overflow Attacks

Buffer Overflow Attacks

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The SANS Institute maintains a list of the qTop 10 Software Vulnerabilities.q At the current time, over half of these vulnerabilities are exploitable by Buffer Overflow attacks, making this class of attack one of the most common and most dangerous weapon used by malicious attackers. This is the first book specifically aimed at detecting, exploiting, and preventing the most common and dangerous attacks. Buffer overflows make up one of the largest collections of vulnerabilities in existence; And a large percentage of possible remote exploits are of the overflow variety. Almost all of the most devastating computer attacks to hit the Internet in recent years including SQL Slammer, Blaster, and I Love You attacks. If executed properly, an overflow vulnerability will allow an attacker to run arbitrary code on the victima€™s machine with the equivalent rights of whichever process was overflowed. This is often used to provide a remote shell onto the victim machine, which can be used for further exploitation. A buffer overflow is an unexpected behavior that exists in certain programming languages. This book provides specific, real code examples on exploiting buffer overflow attacks from a hacker's perspective and defending against these attacks for the software developer. *Over half of the qSANS TOP 10 Software Vulnerabilitiesq are related to buffer overflows. *None of the current-best selling software security books focus exclusively on buffer overflows. *This book provides specific, real code examples on exploiting buffer overflow attacks from a hacker's perspective and defending against these attacks for the software developer.(gdb) run `perl -e a#39;print a€œ\xc8\x97\x04\x08_%x_%x_%x_%na€a#39;` Starting program: / root/format1/format5 `perl -e a#39;print ... If we wanted to overwrite this value with, for example, 54321, we would use a format string like the following: aquot;\xc8\x97\x04\ x08_%x_%x_%.54311x_%naquot; In this string, ten ... the supplied format string and overwriting return EIP thata#39;s stored on the stack with the address of the shell- code start.


Title:Buffer Overflow Attacks
Author: Jason Deckard
Publisher:Syngress - 2005-01-29
ISBN-13:

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