New PDF release: A Guide to Kernel Exploitation: Attacking the Core

By Enrico Perla B.Sc. Computer Science University of Torino M.Sc. Computer Science Trinity College Dublin, Massimiliano Oldani

ISBN-10: 1597494860

ISBN-13: 9781597494861

A consultant to Kernel Exploitation: Attacking the center discusses the theoretical strategies and ways had to enhance trustworthy and powerful kernel-level exploits, and applies them to assorted working structures, particularly, UNIX derivatives, Mac OS X, and home windows. suggestions and strategies are provided categorically in order that even if a particularly special vulnerability has been patched, the foundational info supplied may help hackers in writing a more moderen, larger assault; or support pen testers, auditors, and so forth advance a extra concrete layout and shielding constitution.
The ebook is equipped into 4 components. half I introduces the kernel and units out the theoretical foundation on which to construct the remainder of the e-book. half II makes a speciality of various working structures and describes exploits for them that concentrate on quite a few trojan horse sessions. half III on distant kernel exploitation analyzes the results of the distant state of affairs and provides new thoughts to focus on distant concerns. It features a step by step research of the improvement of a competent, one-shot, distant make the most for a true vulnerabilitya malicious program affecting the SCTP subsystem present in the Linux kernel. ultimately, half IV wraps up the research on kernel exploitation and appears at what the long run could hold.

  • Covers a number of working procedure households ― UNIX derivatives, Mac OS X, Windows
  • Details universal situations comparable to universal reminiscence corruption (stack overflow, heap overflow, etc.) concerns, logical insects and race conditions
  • Delivers the reader from user-land exploitation to the realm of kernel-land (OS) exploits/attacks, with a specific specialize in the stairs that result in the construction of winning suggestions, so that it will supply to the reader anything greater than only a set of tricks

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Additional info for A Guide to Kernel Exploitation: Attacking the Core

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Fortunately (or unfortunately, depending on your position), the bar has been raised there too. Exploit-based attacks have been increasingly popular in the past two decades. Consequently, all major userland software has been audited many times by many different hackers and security researchers around the world. Obviously, software evolves, and it would be silly Why Doesn’t My User-Land Exploit Work Anymore? to assume that this evolution does not bring new bugs. However, finding new vulnerabilities is not as prolific a task as it was 10 years ago.

The number of NULL pointer dereference bugs that have been discovered in the various kernels is impressive, as a quick search on your favorite search engine will prove. NULL pointer dereference vulnerabilities are a subset of a larger class of bug known as the uninitialized/nonvalidated/corrupted pointer dereference. This category covers all situations in which a pointer is used while its content has been corrupted, was never properly set, or was not validated enough. We know a static declared pointer is initialized to NULL, but what happens to a pointer declared as a local variable in a function?

2009. Microsoft Windows Internals, Fifth Edition (Microsoft Press). , and McDougall, R. 2006. Solaris Internals, Second Edition (Prentice Hall PTR). Endnote 1. Solar Designer. Getting around non-executable stack (and fix). 10]. a. the Bug Grab Bag) INTRODUCTION Software has bugs. A bug is a malfunction in a program that makes the program produce incorrect results, behave in an undesired way, or simply crash/terminate unexpectedly. 9 version of the Linux Kernel: static int bluez_sock_create(struct socket *sock, int proto) { if (proto >= BLUEZ_MAX_PROTO) return –EINVAL; […] return bluez_proto[proto]->create(sock,proto); } In this code, the parameter proto is checked against a maximum value, to avoid reading past the size of the bluez_proto array later, when proto is used as an index inside the array.

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A Guide to Kernel Exploitation: Attacking the Core by Enrico Perla B.Sc. Computer Science University of Torino M.Sc. Computer Science Trinity College Dublin, Massimiliano Oldani


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