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Sql Injection Adv Owasp
- 1. Advanced SQL Injection Victor Chapela Sm4rt Security Services [email_address] . com 4/11/2005
- 18. Methodology
- 19. SQL Injection Testing Methodology 1) Input Validation 2) Info. Gathering 6) OS Cmd Prompt 7) Expand Influence 4) Extracting Data 3) 1=1 Attacks 5) OS Interaction
- 20. 1) Input Validation 2) Info. Gathering 3) 1=1 Attacks 5) OS Interaction 6) OS Cmd Prompt 4) Extracting Data 7) Expand Influence 1) Input Validation
- 22. 2) Information Gathering 2) Info. Gathering 3) 1=1 Attacks 5) OS Interaction 6) OS Cmd Prompt 4) Extracting Data 7) Expand Influence 1) Input Validation
- 34. Some differences TEXTPOS() InStr() InStr() InStr() LOCATE() CHARINDEX Position Yes Yes No No No Yes Cast import from export to I f null () " "+" " DB2 Call COALESCE() ' '||' ' Postgres PL/pgSQL #date# Iff ( I s null ()) " "&" " Access utf_file select into outfile / dumpfile xp_cmdshell Op Sys interaction I f null() I f null() I s null() Null replace ' '||' ' concat (" ", " ") ' '+' ' Concatenate Strings Oracle PL/SQL MySQL MS SQL T-SQL
- 35. More differences… N N N N Y Access Y Many Y Y Y MS SQL N Y Y Y Linking DBs N N Many N Default stored procedures Y N N N* Batch Queries Y Y Y N 4.0 Y 4.1 Subselects Y Y Y Y UNION Postgres DB2 Oracle MySQL
- 38. 3) 1=1 Attacks 1) Input Validation 5) OS Interaction 6) OS Cmd Prompt 4) Extracting Data 7) Expand Influence 2) Info. Gathering 3) 1=1 Attacks
- 44. 4) Extracting Data 4) Extracting Data 1) Input Validation 5) OS Interaction 6) OS Cmd Prompt 7) Expand Influence 2) Info. Gathering 3) 1=1 Attacks
- 55. 5) OS Interaction 5) OS Interaction 6) OS Cmd Prompt 7) Expand Influence 1) Input Validation 2) Info. Gathering 3) 1=1 Attacks 4) Extracting Data
- 64. 6) OS Cmd Prompt 7) Expand Influence 3) 1=1 Attacks 4) Extracting Data 1) Input Validation 2) Info. Gathering 5) OS Interaction 6) OS Cmd Prompt
- 68. 7) Expand Influence 7) Expand Influence 3) 1=1 Attacks 4) Extracting Data 1) Input Validation 2) Info. Gathering 5) OS Interaction 6) OS Cmd Prompt
- 85. Defending Against SQL Injection
- 93. Advanced SQL Injection Victor Chapela [email_address]