SQL Injection Attacks and Defense - 2009

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Index 471 blind SQL injection functions, 452 database configuration information and schema, 451 Ingres cheat sheet blind SQL injection functions, 453 database configuration information and schema, 452–453 injection combine multiple rows and columns, 424–425 database platform identification, 422–423 materials resources cheat sheets, 454 exploit tools, 454–455 password cracking tools, 455 white papers, 453–454 Microsoft SQL server cheat sheet blind SQL injection functions, 427 database configuration information and schema, 425–426 database server attacking, 429 microsoft SQL server privilege escalation, 427–428 OPENROWSET reauthentication attack, 428–429 MySQL cheat sheet blind SQL injection functions, 432–433 database configuration information and schema, 431–432 database server attacking, 433–435 Oracle cheat sheet blind SQL injection functions, 436–437 database configuration information and schema, 435–436 database server attacking, 437–440 PostgreSQL cheat sheet blind SQL injection functions, 448 database configuration information and schema, 446–447 database server attacking, 448–449 SQL queries ALTER TABLE statement, 420 CREATE TABLE statement, 420 DELETE statement, 418–420 DROP statement, 420 GROUP BY statement, 421 INSERT statement, 418 ORDER BY clause, 421 result set limitation, 421–422 SELECT statement, 416–417 UNION operator, 417–418 UPDATE statement, 418 troubleshooting SQL injection attacks, 443–446 SUBSTRING( ) function, 229 SWAAT. See security compass Web application analysis tool SYSTEM privileges, 181–183 T TABLE privileges, 181–183 TCP. See Transmission control protocol testing and inference application response back-end database, 51 different inputs, 55–56 generic errors, 51–54 HTTP code errors, 54–55 automating discovery database error, 80 GET and POST requests, 80 HP Scrawlr, 85–87 HP WebInspect, 81–83 IBM Rational AppScan, 83–85 Paros Proxy, 88–90 SQLiX, 87–88 tasks, 80
472 Index testing and inference (Continued) blind injection detection, 56–60 confirming and terminating back-end server, 73 BENCHMARK function, 79 database comment syntax, 69–70 database concatenation operators, 72–73 DBMS_LOCK.SLEEP( ) function, 80 executing multiple statement, 74–78 exploitation, 71 inline function, 62–68 multiline comments, 71–72 numbers and strings, 61 statement, 68–69 testing string, 73–74 time delays, 79–80 trial-and-error process, 60–61 Victim Inc, 70 database errors information flow, 40 Microsoft SQL Server, 41–46 MySQL, 46–49 Oracle, 49–50 triggers, 41 GET requests, 31–32 information workflow, 39–40 injectable data, 35–36 manipulating parameters, 36–39 POST requests, 32–35 Trigger anomalies, 31 three-tier architecture, 4–5 time-based techniques database queries methods, 235 MySQL delays, 235–238 Oracle delays, 240–241 SQL Server delays, 238–240 inference considerations, 241 transmission control protocol (TCP), 250, 281 troubleshooting SQL injection attacks, 443–446 U UNION statements data types back-end database, 155 brute-force guessing, 151 cast operators, 153 integer and string, 152 looping statement, 156 multiple data, 153 NULL clause, 151 SELECT queries, 154 system_user and db_name( ), 152–153 WHERE clause, 155 matching columns DBMS technology, 149 ORDER BY clause, 150–151 products.asp, 150 requirements, 149 syntax, 148–149 universal naming convention (UNC), 280 user datagram protocol (UDP), 251, 297 user-defined function (UDF), 294 V virtual private database (VPD), 370 W Web application firewalls (WAF), 318 HTTP/HTTPS, 379 ModSecurity configurable rule set, 380–383 generic attacks rule file, 382 intrusion detection capabilities, 385–356 request normalization, 383–384 REQUEST variables and coverage, 383 SecRule, generic syntax, 380–382 SQL errors leakage rule, 385
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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 7 327 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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SQL Injection Attacks and Defense - 2009

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