CVE-2018-7688 Open Build Service accepts arbitrary reviews

High 7.1 Published 7 Jun 2018 Updated 16 Sep 2024

Authenticated users can modify project sources without write permissions due to missing authorization checks in Open Build Service.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2018-7688?

CVE-2018-7688 is a high-severity missing authorization vulnerability in openSUSE Open Build Service, published on 7 Jun 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A missing permission check in the review handling of openSUSE Open Build Service before 2.9.3 allowed all authenticated users to modify sources in projects where they do not have write permissions.

Weakness: CWE-862

Which versions are affected by CVE-2018-7688?

It affects 1 product.

Products include Opensuse Open Build Service.

How do I fix CVE-2018-7688?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2018-7688 being exploited?

There is no known exploitation of CVE-2018-7688 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-7688, GHSA-9fp2-98jv-g7j6, UBUNTU-CVE-2018-7688.