CVE-2024-23833: OpenRefine JDBC Attack Vulnerability

First published: Mon Feb 12 2024(Updated: )

### Summary A jdbc attack vulnerability exists in OpenRefine(version<=3.7.7) ### Details #### Vulnerability Recurrence Start by constructing a malicious MySQL Server (using the open source project MySQL_Fake_Server here).  Then go to the Jdbc connection trigger vulnerability  #### Vulnerability Analysis This vulnerability is the bypass of `CVE-2023-41887` vulnerability repair, the main vulnerability principle is actually the use of official syntax features, as shown in the following figure, when the connection we can perform parameter configuration in the Host part  In `com.google.refine.extension.database.mysql.MySQLConnectionManager#getConnection` method in the final JdbcUrl structure  That is, in the ` toURI` method call here, you can see that the Host part is directly concatenated for any verification, which can be bypassed using the address feature of mysql  That is, in the toURI method call here, you can see that the Host part is directly concatenated for any verification, which can be bypassed using the address feature of mysql  ### PoC _Complete instructions, including specific configuration details, to reproduce the vulnerability._ ``` Type: MySQL Host: 127.0.0.1:3306,(host=127.0.0.1,port=3306,autoDeserialize=true,allowLoadLocalInfile=true,allowUrlInLocalInfile=true,allowLoadLocalInfileInPath=true),127.0.0.1 Port: 3306 User: win_hosts Database: test ``` ### Impact Due to the newer MySQL driver library in the latest version of OpenRefine (8.0.30), there is no associated deserialization utilization point, so original code execution cannot be achieved, but attackers can use this vulnerability to read sensitive files on the target server.

Credit: security-advisories@github.com security-advisories@github.com

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