Slide 1 CMSC 414 Computer and Network Security Lecture 25 Jonathan Katz Slide 2 Secure programming techniques (Based on: “Programming Secure Applications for Unix-Like…

Slide 1 1 Buffer Overflow Attacks and Format String bugs Slide 2 2 uExtremely common bug. First major exploit: 1988 Internet Worm. fingerd. u10 years later: over 50% of all…

Buffer Overflow Introduction On many C implementations, it is possible to corrupt the execution stack by writing past the end of an array. Known as smash the stack. It can…

Buffer Overflow Introduction On many C implementations, it is possible to corrupt the execution stack by writing past the end of an array. Known as smash the stack. It can…

Buffer Overflow Attacks and Format String bugs Buffer overflows Extremely common bug. First major exploit: 1988 Internet Worm. fingerd. 10 years later: over 50% of all CERT…