Network Security

Download Buffer Overflow Attacks: Detect, Exploit, Prevent by Erik Pace Birkholz PDF

By Erik Pace Birkholz

The SANS Institute keeps an inventory of the "Top 10 software program Vulnerabilities. on the present time, over half those vulnerabilities are exploitable by means of Buffer Overflow assaults, making this category of assault probably the most universal and most deadly weapon utilized by malicious attackers. this can be the 1st publication in particular geared toward detecting, exploiting, and combating the most typical and hazardous attacks.Buffer overflows make up one of many biggest collections of vulnerabilities in life; And a wide percent of attainable distant exploits are of the overflow type. just about all of the main devastating desktop assaults to hit the net lately together with SQL Slammer, Blaster, and that i Love You assaults. If done competently, an overflow vulnerability will let an attacker to run arbitrary code at the victim's computer with the an identical rights of whichever technique used to be overflowed. this is used to supply a distant shell onto the sufferer computer, that are used for extra exploitation.A buffer overflow is an unforeseen habit that exists in yes programming languages. This ebook offers particular, actual code examples on exploiting buffer overflow assaults from a hacker's standpoint and protecting opposed to those assaults for the software program developer.Over half the "SANS best 10 software program Vulnerabilities" are regarding buffer overflows. not one of the current-best promoting software program defense books concentration completely on buffer overflows. This booklet offers particular, genuine code examples on exploiting buffer overflow assaults from a hacker's point of view and protecting opposed to those assaults for the software program developer.

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Additional info for Buffer Overflow Attacks: Detect, Exploit, Prevent

Example text

Since buffer overflows will dive into code, complex computer and software topics, and techniques for automating exploitation, we felt it necessary to document some of the commonest terms just to ensure that everyone is on the same page. Hardware The following definitions are commonly utilized to describe aspects of computers and their component hardware as they relate to security vulnerabilities: Buffer Overflows: The Essentials • Chapter 1 ■ MAC In this case, we are directly referring to the hardware (or MAC) address of a particular computer system.

Instead, an interpreter reads the higher-level source code each time. An advantage of an interpreter is that it aids in platform independence. Programmers do not need to compile their source code for multiple platforms. The interpreter for the Java language interprets Java byte-code and performs functions such as automatic garbage collection. ■ Java Java is a modern, object-oriented programming language developed by Sun Microsystems in the early 1990s. It combines a similar syntax to C and C++ with features such as platform independence and automatic garbage collection.

Data structures, data, and methods to perform operations on that data are all encapsulated within the class structure. Encapsulation provides a logical structure to a program and allows for easy methods of inheritance. ■ Function A function may be thought of as a miniature program. In many cases, a programmer may wish to take a certain type of input, perform a specific operation and output the result in a particular format. Programmers have developed the concept of a function for such repetitive operations.

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