PDF-Engineering Heap Overow Exploits with JavaScript Mark

Brie64258y given a heap over64258ow JavaScript commands can be used to insure that a function pointer is reliably present for smashing just after the over64258own buffer A case study serves to high light the technique the Safari exploit that the aut. This makes it possible to hack proprietary closedbinary services or opensource servers manually compiled and installed from source where the binary remains unknown to the attacker Tra ditional techniques are usually paired against a particular binar Transform and Conquer. Instructor: . Tanvir. What is Transform and Conquer ?. The 4. th. algorithm design technique we are going to study. Three major variations. Instance Simplification:. Transform to a simpler or more convenient instance of the same problem. Problem Description. Types of Unbounded Heap Growth. Reference Lost (Leak). Reference lost to memory without freeing it. Well studied, wide variety of tools that identify leaks. Reference Retained. But no longer . History. Run-time management of dynamic memory is a necessary activity for modern programming languages. Lisp of the 1960’s was one of the first languages to incorporate automatic memory management. Sophos Consultant. 80%. 10%. 5%. Reduce attack. surface. URL Filtering. Download Reputation. Device Control. Pre-execution. analysis. Heuristics. Rule based. Signatures. Known Malware families. 3%. 2%. Stephen Checkoway, Damon McCoy, Brian . Kantor, Danny . Anderson, Hovav Shacham, and Stefan . Savage. University . of California, San Diego. Karl Koscher, Alexei Czeskis, Franziska Roesner, and Tadayoshi Kohno. Introduction to Javascript. Most popular languages:. . COBOL, FORTRAN, C, C (Java (Script)). Javascript. interpreted. language that resembles C . Used in conjunction with HTML. Development of interactive web pages. Social Engineering & Networking. Database & Password Exploits. Weak Controls. Default . Accounts & Passwords. Dated Software & Patch . Exploits. Advanced Persistent Threat & Zero-Day. CSCI 3110 Nan Chen. Priority Queue. Data structure that stores items and restricts accesses to the highest priority item. STL (Max heap) example. DeleteMax. 3, 88 2 , 6 ,7 . ?. Applications of priority queue. Kasetsart. University, . Thailand. . Ben Livshits . and Ben . Zorn. Microsoft Research, Redmond. JSMeter. : Characterizing the Behavior of . JavaScript Web Applications. 1. in collaboration with. David Simmons, Corneliu Barsan, and Allen Wirfs-Brock. Sam Silvestro, . Hongyu. Liu, Corey Crosser,. Zhiqiang. Lin*, . Tongping Liu. University of Texas at San . Antonio. * University of Texas at Dallas. Common Heap Vulnerabilities. Buffer over-read. Information leakage. Exploiting Metasploitable 2 with Metasploit in Kali-Linux 2016 By Shain Amzovski Metasploitable Intentionally vulnerable Linux Virtual Machine. This VM can be used to conduct security training, test security tools, and practice common penetration testing techniques. Richard Jones. Anthony Hoskins. Eliot Moss. . Presented by Pavel Brodsky. 04/11/14. . Our topics today. Two basic garbage collection paradigms:. Mark-Sweep GC. Mark-Compact GC. . Definitions. Heap. - a contiguous* array of memory words.. Heap is a collection of variable-size memory chunks allocated by the program. e.g., . malloc. (), free() in C,. creating a new object in Java. . creating a new object in Java script.