Download e-book for iPad: Buffer Overflow Attacks: Detect, Exploit, Prevent by Erik Pace Birkholz

By Erik Pace Birkholz

ISBN-10: 1931836698

ISBN-13: 9781931836692

ISBN-10: 1931836744

ISBN-13: 9781931836746

ISBN-10: 1932266658

ISBN-13: 9781932266658

ISBN-10: 1932266674

ISBN-13: 9781932266672

The SANS Institute keeps an inventory of the "Top 10 software program Vulnerabilities. on the present time, over 1/2 those vulnerabilities are exploitable via Buffer Overflow assaults, making this classification of assault essentially the most universal and most deadly weapon utilized by malicious attackers. this can be the 1st e-book particularly geared toward detecting, exploiting, and combating the commonest and hazardous attacks.Buffer overflows make up one of many greatest collections of vulnerabilities in lifestyles; And a wide percent of attainable distant exploits are of the overflow kind. just about all of the main devastating laptop assaults to hit the net lately together with SQL Slammer, Blaster, and that i Love You assaults. If achieved thoroughly, an overflow vulnerability will enable an attacker to run arbitrary code at the victim's laptop with the identical rights of whichever strategy was once overflowed. this is used to supply a distant shell onto the sufferer computing device, which are used for additional exploitation.A buffer overflow is an unforeseen habit that exists in definite programming languages. This booklet presents particular, genuine code examples on exploiting buffer overflow assaults from a hacker's viewpoint and protecting opposed to those assaults for the software program developer.Over half the "SANS best 10 software program Vulnerabilities" are with regards to buffer overflows. not one of the current-best promoting software program protection books concentration completely on buffer overflows. This e-book presents particular, actual code examples on exploiting buffer overflow assaults from a hacker's viewpoint and protecting opposed to those assaults for the software program developer.

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Buffer Overflow Attacks: Detect, Exploit, Prevent - download pdf or read online

The SANS Institute keeps an inventory of the "Top 10 software program Vulnerabilities. on the present time, over 1/2 those vulnerabilities are exploitable by way of Buffer Overflow assaults, making this type of assault the most universal and most deadly weapon utilized by malicious attackers. this can be the 1st e-book in particular aimed toward detecting, exploiting, and fighting the most typical and unsafe assaults.

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

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A similar problem exists with signed integers: wrapping from a large positive number to a negative number, zero, or a small positive number. With signed integers, the reverse is true as well: a “large negative number” could be sent to an application that “wraps” back to a positive number, zero, or a smaller negative number. ■ Interpreter An interpreter reads and executes program code. Unlike a compiler, the code is not translated into machine code and then stored for later re-use. Instead, an interpreter reads the higher-level source code each time.

NOTE We put the system call number in AL and not AX or EAX because you should always use the smallest register possible to avoid having NULL bytes in the resulting shellcode. The FreeBSD kernel assumes that the “int 0x80” is called via a function. As a result, the kernel expects not only the arguments of a system call, but also a return address to be located on the stack. While this is great for the average assembly programmer, it is bad for shellcode writers because we have to push four extra bytes on the stack before executing a system call.

Com—@stake has one of the largest repositories of free “corporate-grown” security tools in addition to a slue of highly technical vulnerability advisories. com, which is owned by Symantec, are excellent resources for up-to-date threat, vulnerability, and exploit data. com VulnWatch The vulnwatch mailing list provides technical detail or newly released vulnerabilities in a moderated format. org/. com/. FIRST The FIRST mailing list is available to users by invitation only. Initially, the FIRST list was created for government and private industry information security professionals, but since then the site has grown significantly and new users may only be added at the request of current list representatives.

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


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