CVE-2018-7689 Open Build Service arbitrary package modification

What is CVE-2018-7689?

CVE-2018-7689 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

Lack of permission checks in the InitializeDevelPackage function in openSUSE Open Build Service before 2.9.3 allowed authenticated users to modify packages where they do not have write permissions.

Weakness: CWE-862

Which versions are affected by CVE-2018-7689?

It affects 1 product.

Products include Opensuse Open Build Service.

How do I fix CVE-2018-7689?

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-2018-7689 being exploited?

There is no known exploitation of CVE-2018-7689 in the wild and no public exploit code.

Other vulnerabilities in openSUSE Open Build Service

• CVE-2022-21949 Multiple XXE vulnerabilities in OBS High 8.8
• CVE-2013-3703 No write permission check in change_role command High 8.8
• CVE-2014-0594 CSRF protection incorrectly disabled High 8.8
• CVE-2021-36777 login-proxy sends password to attacker-provided domain High 8.1
• CVE-2011-3178 openbuildservice webui code injection High 8.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2018-7689, GHSA-mcfv-wm6f-9ch2, UBUNTU-CVE-2018-7689.