CVE-2023-46730 Server-Side Request Forgery in groupoffice

High 7.4 Published 7 Nov 2023 Updated 4 Sep 2024

Attackers can exploit SSRF in Group-Office to access internal resources and server files via unfiltered URL parameters in the upload API.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-46730?

CVE-2023-46730 is a high-severity server-side request forgery vulnerability in Intermesh groupoffice, published on 7 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Group-Office is an enterprise CRM and groupware tool. In affected versions there is full Server-Side Request Forgery (SSRF) vulnerability in the /api/upload.php endpoint. The /api/upload.php endpoint does not filter URLs which allows a malicious user to cause the server to make resource requests to untrusted domains. Note that protocols like file:// can also be used to access the server disk. The request result (on success) can then be retrieved using /api/download.php. This issue has been addressed in versions 6.8.15, 6.7.54, and 6.6.177. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Weakness: CWE-918

Which versions are affected by CVE-2023-46730?

It affects 1 product.

Products include Group-Office Group Office.

How do I fix CVE-2023-46730?

No fix has been published for CVE-2023-46730 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2023-46730 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-46730 exists.

Sources

Also known as GHSA-vw6c-h82w-mvfv.