September 2009
Intermediate to advanced
464 pages
9h 58m
English
book
24 Deadly Sins of Software Security: Programming Flaws and How to Fix Them
by Michael Howard, David LeBlanc, John Viega
Content preview from 24 Deadly Sins of Software Security: Programming Flaws and How to Fix Them
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SIN 8C++ CATASTROPHES
OVERVIEW OF THE SIN
Errors in C++ are one of the newer types of attack. The actual attack mechanism is typically one of two variants on the same theme. The first is that a class may contain a function pointer. Microsoft Windows, Mac OS, and the X Window System APIs tend to pass around a lot of function pointers, and C++ is a common way to work with GUI (graphical user interface) code. If a class containing a function pointer can be corrupted, program flow can be altered.
The second attack leverages the fact that a C++ class with one or more virtual methods will contain a virtual function pointer table (vtable). If the contents of the class can be overwritten, the pointer to the vtable can be altered, which leads directly ...
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