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 11FAILURE TO HANDLE ERRORS CORRECTLY
OVERVIEW OF THE SIN
Many security risks are possible when programmers fail to handle an error condition correctly. Sometimes a program can end up in an insecure state, but more often the result is a denial of service issue, as the application simply dies. This problem is significant in even modern languages, such as C#, Ruby, Python, and Java, where the failure to handle an exception usually results in program termination by the run-time environment or operating system.
The unfortunate reality is that any reliability problem in a program that leads to the program crashing, aborting, or restarting is a denial of service issue and therefore can be a security problem, especially for server code.
A common ...
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