PPT-Memory Corruption Basic

Memory Corruption Attacks Original slides were created by Prof Dan Boneh Memory corruption attacks Attackers goal Take over target machine eg web server Execute arbitrary code on target by . Avg Access Time 2 Tokens Number of Controllers Average Access Time clock cyles brPage 16br Number of Tokens vs Avg Access Time 9 Controllers Number of Tokens Average Access Time clock cycles brPage 17br brPage 18br Corruption is a severe impediment to economic growt h and a significant challenge for developed emerging and developing countries As leaders of major trading nations we have a special responsibility to prevent and tackle corruption to establish lega Buffer Overflows for Beginners. Herbert . Bos. VU University Amsterdam. Buffer overflows are…. ancient. First . discussed. in a US Air . Force. document in 70s. Used. in the . first. Internet Worm (. 6. th. Edition. CHAPTER 2. COMPUTER HARDWARE. 2. 3. BASIC COMPONENTS OF . COMPUTER SYSTEMS. All computers made up of the same set of six building blocks: . arithmetic/logic unit (ALU), . control unit (ALU and control unit . September . 17, 2009. Major Historical Landmarks. Basic Phenomena. Hermann . Ebbinghaus. ’ “. Uber. das . Gedächtniss. ” (1885):. first major treatise on empirical study of memory. Bartlett (1932):. Man Cao. Jake . Roemer. Aritra. . Sengupta. Michael D. Bond. 1. Parallel Programming is Hard. 2. Parallel Programming is Hard. Shared-memory. 3. Main Memory. CPU. Cache. CPU. Cache. CPU. Cache. CPU. September . 17, 2009. Types of Memory. (semantic). (episodic). Major Historical Landmarks. Basic Phenomena. Hermann . Ebbinghaus. ’ “. Uber. das . Gedächtniss. ” (1885):. first major treatise on empirical study of memory. Basic . Memory Corruption . Attacks. Original slides were created by Prof. Dan . Boneh. Memory corruption attacks. . Attacker’s goal. :. Take over target machine (e.g. web server). Execute arbitrary code on target by . Basic . Memory Corruption. . Attacks. Original slides were created by Prof. Dan . Boneh. Memory corruption attacks. . Attacker’s goal. :. Take over target machine (e.g. web server). Execute arbitrary code on target by . Man Cao. Jake . Roemer. Aritra. . Sengupta. Michael D. Bond. 1. Parallel Programming is Hard. 2. Parallel Programming is Hard. Shared-memory. 3. Main Memory. CPU. Cache. CPU. Cache. CPU. Cache. CPU. October 27, 2011. Major Historical Landmarks. Basic Phenomena. Hermann . Ebbinghaus. ’ “. Uber. das . Gedächtniss. ” (1885):. first major treatise on empirical study of memory. Bartlett (1932):. Memory Corruption . Attacks. Original slides were created by Prof. Dan . Boneh. Memory corruption attacks. . Attacker’s goal. :. Take over target machine (e.g. web server). Execute arbitrary code on target by . Peipei Wang. , Daniel Dean, . Xiaohui. . Gu. North Carolina State University. 1. Motivation. 2. HDFS Background. Client. Disk. Memory. HDFS System Files. NameNode. Disk. Memory. Block. DataNode. . A. 9 March 2018. Amol Patel, Sivaprasad . Tumalla. Background. Most of the . custom packet-processing hardware . i.e. Network Processors . provides mechanisms to,. Separate Dataplane and Controlplane memory .