'Format string' diaporamas de présentation

A C++ Crash Course Part II

A C++ Crash Course Part II. UW Association for Computing Machinery http://www.cs.washington.edu/orgs/acm/tutorials acm@cs.washington.edu. Questions & Feedback to Albert J. Wong (awong). C Preprocessor #include, #define, #if, etc. __FILE__, __LINE__ Multiple File Development Header Files

935 views • 81 slides

Diversity Algorithms for Worrisome Software and Networks (DAWSON)

Diversity Algorithms for Worrisome Software and Networks (DAWSON). James Just, Nathan Li, Mark Cornwell Global InfoTek, Inc. Jeff Rowe, Tufan Demir UC Davis R. Sekar SUNY Stony Brook 15 December 2005. DAWSON Overview. Explores Biologically Inspired Diversity

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The Attack and Defense of Computers Dr. ? ? ?

The Attack and Defense of Computers Dr. ? ? ?. Software and Host Attacks. Attack Types. Format string attacks: Integer overflow and integer sign attacks Buffer Overflow Attacks: Stack Smashing attacks Return-into-libc attacks Heap overflow attacks Function pointer attacks

1.03k views • 63 slides

??????? The Attack and Defense of Computers Dr. ? ? ?

??????? The Attack and Defense of Computers Dr. ? ? ?. Software and Host Attacks. Attack Types. Format string attacks: Integer overflow and integer sign attacks Buffer Overflow Attacks: Stack Smashing attacks Return-into-libc attacks Heap overflow attacks Function pointer attacks

827 views • 60 slides

Introduction to C

Introduction to C. CS 580U Fall 2018. History of C. Created by Dennis Ritchie at Bell Laboratories in the early 1970s Developed for Unix, traditionally used for systems programming ANSI C - Standardized in 1989 by ANSI (American National Standards Institute) What C offers

664 views • 55 slides

Chapter 3

Chapter 3. Selection in Java. b oolean. The boolean data type has only two possible values: true and false . Declaration: boolean varname ; Boolean operations generally compare values and determine whether the asserted relationship is true or false.

457 views • 37 slides

Vulnerability-Specific Execution Filtering for Exploit Prevention on Commodity Software

Vulnerability-Specific Execution Filtering for Exploit Prevention on Commodity Software. James Newsome David Brumley, Dawn Song. Carnegie Mellon University. All vulnerable hosts attacked. First host attacked. Reaction time. Danger: Zero-day exploits. Slammer: 10 mins.

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Lecture03: Control Flow 9/24/2012 Slides modified from Yin Lou, Cornell CS2022: Introduction to C

Lecture03: Control Flow 9/24/2012 Slides modified from Yin Lou, Cornell CS2022: Introduction to C. Administrative things. Any problem with submitting assignment #1? Assignment #2 is on the course webpage due next week. Review from Last Week. Variable declaration Type, variable name

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CSE 20232 Lecture 8 – Loops, Files & More

CSE 20232 Lecture 8 – Loops, Files & More. Linux Piping and I/O redirection |, <, >, >> C style I/O Input: scanf(…), fscanf(…) Output: printf(…), fprintf(…) C files FILE, fopen(), fclose() Command line arguments argc & argv. Piping with “|” in Linux.

456 views • 31 slides

Control Hijacking Attacks

Control Hijacking Attacks. Buffer overflows and format string bugs. Buffer overflows. Extremely common bug. First major exploit: 1988 Internet Worm. fingerd. 15 years later: ? 50% of all CERT advisories: 1998: 9 out of 13 2001: 14 out of 37 2003: 13 out of 28

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Peter Jacobebbinghaus 5th German Stata User's Group Meeting April 2nd, 2007 at RWI-Essen

Two Issues on Remote Data Access - Automation of Disclosure Limitation Review - Memory Allocation. Peter Jacobebbinghaus 5th German Stata User's Group Meeting April 2nd, 2007 at RWI-Essen. Research Data Centre of the BA in the IAB in Nuremberg (FDZ). Provides access to micro data of the

387 views • 27 slides

Chapter 6

Buffer Overflow. Chapter 6. Buffer Overflow. Buffer Overflow occurs when the program overwrites data outside the bounds of allocated memory It was one of the first exploited security issues (Morris 1988) ? Many buffer overflow problems are related to string manipulations

408 views • 25 slides

Implementation Flaws

Implementation Flaws. Part 1: Buffer Overruns. Outline. Background Three generations of flaws Classic stack smashing Off-by-one errors Format string bugs and heap overruns Mitigation Coding practices Memory protection. Background. What are buffer overruns?

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Format strings

Format strings. Reporter : Nickle. Nickle@NSC. Agenda. Introduction Reading from arbitrary memory address Write to arbitrary memory address Direct parameter access Detours with dtors Overwriting the global offset table Conclusion. Introduction. Printf() function Format %d - decimal

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Chapter 7 Review: User-Controlled Input and Output

Chapter 7 Review: User-Controlled Input and Output. Introduction to MATLAB 7 Engineering 161. Introduction to Chapter 7. In this chapter we will learn how to write programs that interact with the user through input and output statements.

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Text Processing

Text Processing. Type char. char : A primitive type representing single characters. A String is stored internally as an array of char String s = "Ali G."; It is legal to have variables, parameters, returns of type char

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Calls of the ...scanf functions resemble those of the ...printf functions. That

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CP Introduction to C

CP Introduction to C. And c++?. What will we do?. C vs JAVA Dev-C++ tutorial and your first program C++ structure Reading input/output Flow Control (if, for, while) array function (method) debugging. Hello World (Day 1 Morning). C. JAVA. import java.io.*; class HelloWorldApp {

244 views • 14 slides

NETCONF rpc-error extension for multiple language draft-ysc-netconf-rpc-error-extension-00

NETCONF rpc-error extension for multiple language draft-ysc-netconf-rpc-error-extension-00. Gang Yan, Ting Zou , Xiaofeng Ji, Shouchuan Yang Huawei Technologies IETF 87, Berlin , German. Background Introduction. NETCONF support multiple language in the error-message.

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Formatted I/O

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