Download 24 Deadly Sins of Software Security: Programming Flaws and by Michael Howard, John Viega, David LeBlanc PDF

By Michael Howard, John Viega, David LeBlanc

"What makes this ebook so vital is that it displays the studies of 2 of the industry's such a lot skilled fingers at getting real-world engineers to appreciate simply what they're being requested for while they're requested to jot down safe code. The e-book displays Michael Howard's and David LeBlanc's event within the trenches operating with builders years after code used to be lengthy when you consider that shipped, informing them of problems." --From the Foreword by way of Dan Kaminsky, Director of Penetration trying out, IOActive

Eradicate the main infamous Insecure Designs and Coding Vulnerabilities

Fully up to date to hide the most recent safeguard matters, 24 lethal Sins of software program Security unearths the commonest layout and coding blunders and explains how you can repair every one one-or larger but, steer clear of them from the beginning. Michael Howard and David LeBlanc, who educate Microsoft staff and the area easy methods to safe code, have partnered back with John Viega, who exposed the unique 19 lethal programming sins. they've got thoroughly revised the publication to handle the newest vulnerabilities and feature additional 5 brand-new sins. This functional advisor covers all structures, languages, and kinds of purposes. put off those protection flaws out of your code:
* SQL injection
* net server- and client-related vulnerabilities
* Use of magic URLs, predictable cookies, and hidden shape fields
* Buffer overruns
* structure string problems
* Integer overflows
* C++ catastrophes
* Insecure exception handling
* Command injection
* Failure to address errors
* details leakage
* Race conditions
* terrible usability
* no longer updating easily
* Executing code with an excessive amount of privilege
* Failure to guard saved data
* Insecure cellular code
* Use of susceptible password-based systems
* susceptible random numbers
* utilizing cryptography incorrectly
* Failing to guard community traffic
* unsuitable use of PKI
* Trusting community identify resolution

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Additional info for 24 Deadly Sins of Software Security: Programming Flaws and How to Fix Them

Example text

For an attacker, a compromised backend database is simply a stepping stone to bigger and better things. CWE REFERENCES The Common Weakness Enumeration project includes the following entry, which is also part of the CWE/SANS Top 25 Most Dangerous Programming Errors: ■ CWE-89: Failure to Preserve SQL Query Structure (aka “SQL Injection”) AFFECTED LANGUAGES Any programming language used to interface with a database can be affected! NET are vulnerable. Sometimes lower-level languages, such as C and C++ using database libraries or classes (for example, FairCom’s c-tree or Microsoft Foundation Classes) can be compromised as well.

Remember, the damage from a SQL injection attack is not limited to the data in the database; an attack could lead to server, and potentially network, compromise also. For an attacker, a compromised backend database is simply a stepping stone to bigger and better things. CWE REFERENCES The Common Weakness Enumeration project includes the following entry, which is also part of the CWE/SANS Top 25 Most Dangerous Programming Errors: ■ CWE-89: Failure to Preserve SQL Query Structure (aka “SQL Injection”) AFFECTED LANGUAGES Any programming language used to interface with a database can be affected!

Because the developer is manipulating databases without writing pure SQL, the chance of creating a SQL injection vulnerability diminishes rapidly. SqlClient; ... Replace('%ID%',id); Sinful PHP Here is the same kind of classic bungle, but this time written in another common language used for database access: PHP. "); mysql_select_db("Shipping",$db); $id = $HTTP_GET_VARS["id"]; $qry = "SELECT ccnum FROM cust WHERE id =%$id%"; $result = mysql_query($qry,$db); if ($result) { echo mysql_result($result,0," ccnum"); } else { echo "No result!

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