SQL Injection Attacks and Defense - 2009

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Reviewing Code for SQL Injection • Chapter 3 131 Remember the old proverb: “A bad workman always blames his tools”! In these situations, it may be easy to blame the tool for failing to deliver. However, this is not the case. You should never rely on just one tool, and instead should leverage multiple tools and techniques during the development life cycle. In addition, multiple experienced and knowledgeable individuals should perform audits at different stages of the project to provide assurances that implemented processes and procedures are being followed. Developers shouldn’t be reprimanded harshly; instead, they should be given constructive feedback and education where necessary so that they learn from the process and ultimately produce more secure code. Code analysis tools should be used as guidelines or preliminary benchmarks as opposed to definitive software security solutions. Ounce The Ounce toolset is a collection of several components. The Security Analyst component parses source code into what it calls a Common Intermediate Security Language (CISL). The SmartTrace component graphically represents how data flows through vulnerable code; vulnerabilities can then be assigned to self-contained “bundles” which are then passed along to developers to fix. Developers open these bundles using the Ounce Developer plug-in for Visual Studio or Eclipse. The bundle includes all relevant information about the vulnerability, including SmartTrace graphs and remediation advice. The tool also generates application audit metrics for management reports. ■■ ■■ ■■ ■■ ■■ URL: www.ouncelabs.com Languages: Java, JSP, C, C++, C#, ASP.NET, VB .NET, JavaScript, classic ASP/VBScript, and Visual Basic 6 Platforms: Windows, Solaris, Linux, and AIX IDEs: Microsoft Visual Studio and Eclipse Price: Contact to request quote Fortify Source Code Analyzer Source Code Analyzer is a static analysis tool that processes code and attempts to identify vulnerabilities. It uses a build tool that runs on a source code file or set of files and converts the file(s) into an intermediate model that the company optimizes for security analysis. This model is put through a series of analyzers (data flow, semantic, control flow, configuration, and structural). Source Code Analyzer also uses Secure Coding Rule Packs to analyze the code base for violations of secure coding practices.
132 Chapter 3 • Reviewing Code for SQL Injection ■■ ■■ ■■ ■■ ■■ URL: www.fortify.com Languages: Java, JSP, C/C++, ColdFusion, ASP.NET (C# and VB.NET), XML and SQL (T-SQL and PL/SQL), JavaScript, classic ASP/VBScript, and Visual Basic 6 Platforms: Windows, Mac, Solaris, Linux, AIX, and HP-UX IDEs: Microsoft Visual Studio, Eclipse, WebSphere Application Developer, and IBM Rational Application Developer Price: Contact to request quote CodeSecure CodeSecure is available as an enterprise-level appliance or as a hosted software service. CodeSecure Workbench is available as a plug-in to the Visual Studio, Eclipse, and IBM Rational Application Developer IDEs. CodeSecure is based on pattern-free algorithms; it determines the behavioral outcomes of input data by calculating all possible execution paths. During analysis, each vulnerability is traced back to the original entry point and line of code that caused it, providing a map of the vulnerability propagation through the application. ■■ ■■ ■■ ■■ ■■ URL: www.armorize.com Languages: Java, PHP, ASP, and .NET Platform: Web-based IDEs: Visual Studio, Eclipse, and IBM Rational Application Developer Price: Contact to request quote
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Justin Clarke Lead Author and Techn
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Lead Author and Technical Editor Ju
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exploiting, and correcting software
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Dafydd Stuttard is the author of th
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Contents Chapter 1 What Is SQL Inje
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Contents xi LAPSE. ................
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Contents xiii Generic MySQL Binary
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Contents xv Chapter 8 Code-Level De
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Contents xvii Increase the Verbosit
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Contents xix Ingres Cheat Sheet....
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Chapter 1 What Is SQL Injection? So
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What Is SQL Injection? • Chapter
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execute the query against the datab
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Incorrectly Handled Query Assembly
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} } reader = cmd.ExecuteReader(); r
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Chapter 2 Testing for SQL Injection
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Testing for SQL Injection • Chapt
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SELECT * FROM products WHERE idprod
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Figure 2.15 Exploitation Terminatin
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Time Delays Testing for SQL Injecti
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Page 118 and 119: Reviewing Code for SQL Injection
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Page 156 and 157: Frequently Asked Questions Reviewin
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Exploiting SQL Injection • Chapte
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SELECT name,spare4 FROM sys.user$ w
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[+] Bruteforcing the sa password. T
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select user_name,web_password_raw f
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HTTP/DNS Exploiting SQL Injection
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Summary Exploiting SQL Injection
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Escalating Privileges Exploiting SQ
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Chapter 5 Blind SQL Injection Explo
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Blind SQL Injection Exploitation
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Common Blind SQL Injection Scenario
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1. Is the byte greater than 127? No
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Using Time-Based Techniques Blind S
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SELECT * FROM unknowntable UNION SE
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Figure 5.13 Extracting Database Log
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Summary Blind SQL Injection Exploit
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Chapter 6 Exploiting the Operating
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Exploiting the Operating System •
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[operating systems] multi(0)disk(0)
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Figure 6.13 Enabling CLR Integratio
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Oracle Exploiting the Operating Sys
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) c / ) ) ), bfilename('GETPWDIR',
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As expected, this creates sp.txt fi
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2 443 [+] Calling msfpayload3 to c
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DBMS_ADVISOR is probably the shorte
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EXECUTE IMMEDIATE q'!drop directory
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Microsoft SQL Server Exploiting the
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Figure 6.22 Creating an UNSAFE Bina
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Executing Operating System Commands
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Endnotes Exploiting the Operating S
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Chapter 7 Advanced Topics Solutions
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Using Case Variation Advanced Topic
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4. The application URL decodes the
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Advanced Topics • Chapter 7 323 D
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Advanced Topics • Chapter 7 325 I
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Advanced Topics • Chapter 7 327 w
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Advanced Topics • Chapter 7 329 N
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Advanced Topics • Chapter 7 331 m
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Advanced Topics • Chapter 7 333 1
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Using Hybrid Attacks Advanced Topic
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Exploiting Authenticated Vulnerabil
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Advanced Topics • Chapter 7 339
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Chapter 8 Code-Level Defenses Solut
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Code-Level Defenses • Chapter 8 3
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END; Execute immediate 'SELECT coun
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Validating Input in Java Code-Level
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UTL_SMTP.HELO(v_connection,'mailhos
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Summary Code-Level Defenses • Cha
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Chapter 9 Platform-Level Defenses S
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Platform-Level Defenses • Chapter
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Figure 9.3 Whitelist Rule to Patch
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Application Filters Platform-Level
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Use Strong Cryptography to Protect
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Additional Deployment Consideration
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Chapter 10 References Solutions in
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References • Chapter 10 417 For t
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References • Chapter 10 419 It is
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GROUP BY Statement References • C
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References • Chapter 10 423 you a
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References • Chapter 10 425 Table
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Blind SQL Injection Functions: Micr
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References • Chapter 10 429 the S
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Microsoft SQL Server 2005 Hashes Re
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References • Chapter 10 435 If MA
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TYPE oracle_loader DEFAULT DIRECTOR
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References • Chapter 10 441 When
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Table 10.20 Continued. Troubleshoot
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Enumerating Database Configuration
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Local File Access References • Ch
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References • Chapter 10 451 Infor
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■■ ■■ ■■ ■■ Referen
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Troubleshooting SQL Injection Attac
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A abstract syntax tree (AST), 125 a
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Index 461 confirming and terminatin
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Index 463 errors application error,
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Index 465 intercepting filters appl
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Index 467 APEX, 196-197 Oracle inte
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Index 469 mysql_query( ) function,
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Index 471 blind SQL injection funct
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Index 473 transformation functions,
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SQL Injection Attacks and Defense - 2009

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