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Software Security Memory corruption public enemy number 1

Software Security Memory corruption public enemy number 1

Erik Poll Digital Security Radboud University Nijmegen. Software Security Memory corruption public enemy number 1. Overview (next 2 weeks). How do memory corruption flaws work ? What can be the impact? How can we spot such problems in C(++) code? Next weeks: tool-support for this

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796 views • 77 slides
Instructor: Randy Bryant

Instructor: Randy Bryant

Synchronization: Advanced 15-213 / 18-213: Introduction to Computer Systems 25 th Lecture, Nov. 21, 2017. Instructor: Randy Bryant. Reminder: Semaphores. Semaphore : non-negative global integer synchronization variable Manipulated by P and V operations:

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709 views • 59 slides
FastForward for Efficient Pipeline Parallelism: A Cache-Optimized Concurrent Lock-Free Queue

FastForward for Efficient Pipeline Parallelism: A Cache-Optimized Concurrent Lock-Free Queue

FastForward for Efficient Pipeline Parallelism: A Cache-Optimized Concurrent Lock-Free Queue. John Giacomoni. Advisor: Dr. Manish Vachharajani University of Colorado at Boulder. The Rise of Multicore. Triple DES with 32B Blocks. Nanoseconds/Block. Number of Threads. Why Pipelines?.

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700 views • 50 slides
Section 3.4: Buffer Overflow Attack: Attack Techniques

Section 3.4: Buffer Overflow Attack: Attack Techniques

Section 3.4: Buffer Overflow Attack: Attack Techniques. Acknowledgement. This lecture uses some contents from: Dr. Erik Poll : software security Dr. Dawn Song: CS161: computer security Buffer Overflow Prevention Buffer Overflow Dr. Ninghui Li: CS426: Computer Security. The Problem.

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599 views • 46 slides
Use Unix Machine in Department

Use Unix Machine in Department

CAP6135: Malware and Software Vulnerability Analysis Buffer Overflow I: Attack Introduction Cliff Zou Spring 2014. Use Unix Machine in Department. The Unix machine: eustis.eecs.ucf.edu Must use SSH to connect Find free SSH clients on Internet E.g., Putty (command line based)

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528 views • 43 slides
Acknowledgement

Acknowledgement

CAP6135: Malware and Software Vulnerability Analysis Buffer Overflow I: Attack Introduction Cliff Zou Spring 2011. Acknowledgement. This lecture uses some contents from: Dr. Erik Poll : software security Dr. Dawn Song: CS161: computer security Buffer Overflow Prevention Buffer Overflow

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401 views • 40 slides
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485 views • 37 slides
CSE451 Fall 2008 Section 1

CSE451 Fall 2008 Section 1

CSE451 Fall 2008 Section 1. Roxana Geambasu (roxana@cs) ?. About Me. Fourth year Ph.D. student Research in: Large-scale storage systems (Hank, Steve) ? Security (Yoshi, Hank) ? Personal data management (Magda, Hank, Steve) ? First time teaching sections in the U.S.

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225 views • 22 slides
DSP: Digital Signal Processors

DSP: Digital Signal Processors

DSP: Digital Signal Processors. Definition. RT development 4 steps. Matlab/C Simulation. RT like Matlab/C Simulation. Real Time. RT like DSP Simulation. RT application. Clock levels. At Home. Definition. Definition. RT development 4 steps.

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379 views • 17 slides
?? 1 ???????

?? 1 ???????

?? 1 ???????. 2006 ? 11 ? 8 ? ?? ??. ? 2 ?????. fork2.c ??? shell ????????. 1| main(int argc, char* argv[]){ 2| pid_t ch; char buf[100]; 3| 4| while(fgets(buf, 100, stdin)!=NULL){ 5| buf[strlen(buf)-1]=''; 6| if((ch= fork ())==0){ // child

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201 views • 12 slides

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