Loomio 2.22.1 - Code injection

Description

Loomio version 2.22.1 allows executing arbitrary commands on the server. This is possible because the application is vulnerable to OS Command Injection.

Vulnerability

A command injection vulnerability has been identified in Loomio that allows an attacker to obtain RCE on the server. This was made possible by sending a malicious url to the server.

Exploit

A malicious URL is sent to the server.

Evidence of exploitation

• https://github.com/loomio/loomio/blob/master/app/views/admin/groups/import.haml#L1

• https://github.com/loomio/loomio/blob/master/app/admin/groups.rb#L214

• https://github.com/loomio/loomio/blob/master/app/services/group_export_service.rb#L220

Our security policy

We have reserved the ID CVE-2024-1297 to refer to this issue from now on.

Disclosure policy

System Information

• Version: Loomio 2.22.1

• Operating System: MacOS

Mitigation

An updated version of Loomio is available at the vendor page.

References

• Vendor page https://github.com/loomio/loomio/

• CVE addressed | Patch https://github.com/loomio/loomio/commit/6bc5429bfb5a9c7c811a4487d97ea54a8b23a0fa#diff-b9a7e6b3dfb0fd855c11198a7c53e6f6f90945f28c78cc5dbd960d04d5d28203