'Integer overflow' presentation slideshows

Integer Overflows

Integer Overflows. James Walden Northern Kentucky University. Topics. Computer Integers Integers in C and Java Overflow Examples Checking for Overflows. Integer Overflow. December 25, 2004 Flight crew scheduling software stopped. Cancelled all 1100 flights that day. What happened?

1.15k views • 115 slides

Chapter 5

Chapter 5. Hacking Unix. Last modified 9-21-12. Vulnerability Mapping. Listing aspects of the target system and associated vulnerabilities Online vulnerabilities like Bugtraq, CVE, security alerts, etc. Use specialized exploit code to test specific vulnerabilities

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Monoculture and Diversity

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Introduction to Information Security Lecture 1

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OSI and TCP/IP Models And Some Vulnerabilities

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Understanding Integer Overflow in C/C++

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Tielei Wang, TaoWei , ZhingiangLin , weiZou Purdue University and Peking University

IntScope: Automatically Detecting Integer overflow vulnerability in X86 Binary Using Symbolic Execution. Tielei Wang, TaoWei , ZhingiangLin , weiZou Purdue University and Peking University Annapurna Sagi. Contents . Introduction Overview of Intscope Implementation

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Major Problem Areas for Secure Programming

Major Problem Areas for Secure Programming. Certain areas of programming have proven to be particularly prone to problems What are they? How do you avoid falling into these traps?. Example Problem Areas. Buffer overflows and other input verification issues Error handling

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Fuzzing And Oracles

Fuzzing And Oracles. By: Thomas Sidoti. Overview. Introduction Motivation Fuzzable Exploits Oracles Implementation Fuzzing Results. Introduction. Find relationships between Oracles and Exploits/Errors. What class of errors could a particular oracles hope to find?. Motivation. Fuzzers:

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Comp 401 Assertions Practical Example and The Importance of Being Earnest

Comp 401 Assertions Practical Example and The Importance of Being Earnest. Instructor: Prasun Dewan. Prerequisite. Assertions (Preconditions and Postconditions ). Bank Account with Withdraw. public class ABankAccount implements BankAccount { int currentBalance = 0;

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CS Club Meeting 4 10/10/13

CS Club Meeting 4 10/10/13. Meeting Topic: Integers. int s in Java and C++ are 4 bytes and signed long long (C++) and long (Java) are 8 bytes. There are 2^32 different values an int can take on. The smallest is -2^31, the largest is 2^31-1

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CS Club Meeting 4 10/10/13

CS Club Meeting 4 10/10/13. Meeting Topic: Integers. int s in Java and C++ are 4 bytes and signed long long (C++) and long (Java) are 8 bytes. There are 2^32 different values an int can take on. The smallest is -2^31, the largest is 2^31-1

204 views • 8 slides

Application Program Security

Application Program Security. DLL Injection. Dynamic Link Library Replace a dll with attack code. Tripwire. File integrity manager Hash all system file and store these hashes in a secure database. Hashes need to be recomputed when system is updated.

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??????? The Attack and Defense of Computers

??????? The Attack and Defense of Computers. CEA036 ???. ??????? ????????????? ????????????? ????????????? ????????? ???????????? ???????????? ???????????? ???????????? ????????????. Reference Books. Hacking Exposed, Fifth Edition

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??????? The Attack and Defense of Computers

??????? The Attack and Defense of Computers. CEA036 ???. Reference Books. Hacking Exposed, Fifth Edition Authors: Stuart McClure, Joel Scambray, and George Kurtz Publisher: Mc Graw Hill Practical Unix & Internet Security, 3rd Edition Authors: Simson Garfinkel and Gene Spafford

44 views • 4 slides