Buffer Overflow Attacks and Their Countermeasures
Buffer overflow problems always have been associated with security vulnerabilities. In the past, lots of security breaches have occurred due to buffer overflow. This article attempts to explain what buffer overflow is, how it can be exploited and what countermeasures can be taken to avoid it.
Knowledge of C or any other high level language is essential to this discussion. Basic knowledge of process memory layout is useful, but not necessary. Also, all the discussions are based on Linux running on x86 platform. The basic concepts of buffer overflow, however, are the same no matter what platform and operating system is used.
[ Read more ]
By subscribing to our early morning news update, you will receive a daily digest of the latest security news published on Help Net Security.
With over 500 issues so far, reading our newsletter every Monday morning will keep you up-to-date with security risks out there.