SQL Injection Attacks and Defense - 2009

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Index 467 APEX, 196–197 Oracle internet directory (OID), 197–198 concept, 190 data encryption standard (DES) password hashes, 194–195 database dbms_assert, 357 O’Boyle, 356 preceding functions, 358 quote character, 357 database schema enumeration, 170–171 DBA privileges, 191 DBMS, 202 encoding output, database, 356–359 escalating privileges, 183–184 file system, 208 mixed-case characters, 195 multiple databases, 180 operating system commands alter system, 303 buffer overflow, 303–304 custom application code, 304 custom debugger, 303 DBMS_SCHEDULER, 302 PL/SQL Native, 302 undocumented parameter, 303 out-of-band communication, 198–199 password hashes, 192 PL/SQL code, 190 privilege types, 181–182 reading files access files, 289 Java, 289–291 select statements, 290 utl_ file_dir database, 289, 291 writing files binary code, 300 DBMS_ADVISOR, 301 Java, 300–301 methods, 300 Oracle cheat sheet blind SQL injection functions, 436–437 database configuration information and schema, 435–436 database server attacking command execution, 437 cracking database passwords, 440 PL/SQL reading local files, 438–439 PL/SQL writing local files, 439–440 reading local files, 437–438 Oracle PL/SQL and Microsoft Transact-SQL (T-SQL) code authid clause, 117 built-in database, 117 data definition language (DDL) statements, 117–118 database administrators (DBAs), 119 EXEC( ), 121 EXECUTE function, 119–120 information_schema database, 123 LIKE statement, 118 sp_helptext, 120–121 SQL Server 2008 database, 122–123 stored procedures, 121–122 user-controlled data, 119 Oracle response techniques, 246–247 P parameterized statement .NET (C#) ADO.NET framework, 345 OleDbClient, 346 Java hibernate, 345 JDBC framework, 344 PHP data objects, 347 PDO package, 348
468 Index parameterized statement (Continued) PL/SQL, 348–349 pattern-matching filters, 319 payment card industry data security standards (PCI-DSS), 368 PHP applications $input variable, 113–114 $sql variable, 112–113 awk function, 110 grep strings, 112 mssql_execute( ) and odbc_prepare( ), 111 user-controlled data, 113 platform-level defenses Application Intrusion Detection Systems (IDSs), 394 Aspect-oriented Programming (AOP), 393–394 database firewall, 394–395 intercepting filters filter pattern, scripted languages, 390–391 filtering web service messages, 391 web server and application filters, 386–391 non-editable versus editable input protection, 391–392 resource proxying/wrapping, 393 runtime protection technologies and techniques code changes, 379 Commercial off-the-shelf (COTS) applications, 378 URL rewriting, 393 URL/page-level strategies HTTP Handler configuration, 392 page overriding, 392–393 substitute servlet configuration, 393 web application firewall (WAF), 379–380 generic attacks rule file, 382 ModSecurity, 380–386 SecRule, generic syntax, 380–382 PostgreSQL cheat sheet blind SQL injection functions, 448 database confi guration information and schema, 446–447 database server attacking cracking database passwords, 449 local file access, 449 system command execution, 448 R Relational database management system (RDBMS), 281 response-based techniques MySQL FALSE inference, 243 Web application, 242 one bit information binary search method, 249 CASE statement, 248 Oracle CAST( ), 247 key bits, 246 SQL Server ASP.NET, 245 CASE statement, 246 reviewing source code $param, 97–98 automated tools abstract syntax tree (AST), 125 AppCodeScan, 127 CodeSecure, 132 command-line utilities, 124 control fl ow graph (CFG), 125 LAPSE, 127–128 lexical analysis, 124–125 Microsoft analyzer, 128–129 Microsoft code analysis tool .NET (CAT.NET), 129
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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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Summary Testing for SQL Injection
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Chapter 3 Reviewing Code for SQL In
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Reviewing Code for SQL Injection
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mssql_bind() − adds a parameter t
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OdbcCommand() − used to construct
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Reviewing PL/SQL and T-SQL Code Rev
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■■ ■■ ■■ ■■ URL: ht
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■■ ■■ Platform: Windows Pri
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Summary Reviewing Code for SQL Inje
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Frequently Asked Questions Reviewin
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Chapter 4 Exploiting SQL Injection
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Exploiting SQL Injection • Chapte
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Approach 3: Content-based Exploitin
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Error Messages in Oracle Exploiting
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MySQL Exploiting SQL Injection •
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Such a query will return output sim
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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 7 329 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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SQL Injection Attacks and Defense - 2009

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