'Code injection' diaporamas de présentation

Web Application Security

Spring 2018. CS 155. Web Application Security. John Mitchell. Lecture outline. Introduction Command injection Three main vulnerabilities and defenses SQL injection ( SQLi ) Cross-site request forgery (CSRF) Cross-site scripting (XSS) Additional web security measures

1.17k views • 94 slides

Web Programming and Security

Web Programming and Security. Lecture 2 Tamara Rezk. Security problems. Availability violation. Confidentiality violation Integrity violation. Attacks, summary. Phishing attacks (eg MySpace, 2006). Attacks, summary. Phishing attacks (eg MySpace, 2006)

867 views • 75 slides

Exploits Against Software and Defences

Exploits Against Software and Defences. Nicolas T. Courtois - U niversity C ollege L ondon. How to Break Into Computers?. Stack attacks: Chapter 10.4. SQL injection: not at the exam: see our lab. Defences: Chapter 10.7. Is that All?. There is MUCH more (not covered here):

774 views • 65 slides

VEX: Vetting Browser Extensions For Security Vulnerabilities

VEX: Vetting Browser Extensions For Security Vulnerabilities. Sruthi Bandhakavi Samuel T. King P. Madhusudan Marianne Winslett University of Illinois at Urbana Champaign fsbandha2,kingst,madhu,winslettg@illinois.edu Presented by Doron Tromer. Introduction. What is VEX in a few words ?

635 views • 56 slides

ISEC0511 Programming for Information System Security

ISEC0511 Programming for Information System Security. Lecture Notes #4 Security in Web Applications. Web Application Basics. Web applications generally use following communication protocols. Hypertext Transfer Protocol (HTTP) HTTP Secured (HTTPS).

632 views • 56 slides

Birlin, Bonds, Ramani and Reeds

571 views • 50 slides

Monoculture and Diversity

614 views • 49 slides

Undermining the Linux Kernel: Malicious Code Injection via /dev/mem

Undermining the Linux Kernel: Malicious Code Injection via /dev/mem. Anthony Lineberry anthony.lineberry@gmail.com SCALE 7x 2009. Introduction. Security Researcher for Flexilis Experience in reverse engineering/exploit development

562 views • 46 slides

XML Intrusion Prevention

XML Intrusion Prevention. Blake Dournaee Senior Security Architect Sarvega, Inc. blake@sarvega.com April 2005. Agenda. Level Setting Lingo, Requirements, Categories, Definitions General Threat Model Structural Threats Problem Examples Typical Countermeasures Semantic Threats

546 views • 45 slides

Ajax Security

Ajax Security. Andrew van der Stock vanderaj@owasp.org. AJAX and Security. Ajax Limited guidance New chapter in Guide. Image from Hellenic Art. Compliance. http://www.imageafter.com/image.php?image=b19objects_signs090.jpg&size=full&download=no. Accessibility.

620 views • 38 slides

G E N E S I S : Security Through Software Diversity

G E N E S I S : Security Through Software Diversity. John C. Knight, Jack W. Davidson, David Evans, Anh Nguyen-Tuong University of Virginia Chenxi Wang Carnegie Mellon University. http://www.cs.virginia.edu/genesis/. UVA staff Adrian Filipi Jason Hiser Jonathan Rowanhill. UVA students

411 views • 33 slides

Code/DLL Injection

537 views • 25 slides

Injection Attacks Executing, Preventing, and Auditing

1.34k views • 24 slides

Buffer overflows and various code injection methods

Buffer overflows and various code injection methods. Raghunathan Srinivasan CSE 539, 2/2/2011. What is the deal with overflows. Why does it exist? Can we get rid of it? Why cant we get rid of it?. Since 80 % of the general population uses Microsoft OS lets google Microsoft buffer overflow.

367 views • 23 slides

Self-defending COTS Software

Collaborative learning for security and repair in application communities MIT & Determina PM: Lee Badger DARPATech, August 2007 (Other AC performer: SRI). Self-defending COTS Software. Approved for Public Release, Distribution Unlimited - Case 9649. Application Communities.

312 views • 20 slides

Code Injection

398 views • 19 slides

Software and Software Vulnerabilities

Software and Software Vulnerabilities. Synopsis. Array overflows Stack overflows String problems Pointer clobbering. Dynamic memory management Integer arithmetic problems Formatted Output Output File I/O Others (the cwe.mitre.org taxonomy). Arrays.

256 views • 18 slides

Remote Controlled Agent

257 views • 12 slides

Stack-based buffer overflows, part 2

Stack-based buffer overflows, part 2. Yves Younan DistriNet, Department of Computer Science Katholieke Universiteit Leuven Belgium Yves.Younan@cs.kuleuven.ac.be. Overview. Code injection. Code injection. Finding the inserted code is sometimes a problem

177 views • 9 slides

A New Approach to Runtime Cybersecurity

A New Approach to Runtime Cybersecurity. Thomas H. Probert, Ph. D. Founder/CTO STEGOSYSTEMS. The Evolving Runtime Threat. Dynamic Tampering , Stack Smashing, Code Injection, Buffer Overflows, Reflective Programming, Some Forms of SQL Injection. STUXNET. Threat Level.

137 views • 6 slides