CVE-2018-12475 obs-service-download_files allows downloading from localhost or intranet hosts

What is CVE-2018-12475?

CVE-2018-12475 is a medium-severity server-side request forgery vulnerability in openSUSE Open Build Service, published on 1 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A Externally Controlled Reference to a Resource in Another Sphere vulnerability in obs-service-download_files of openSUSE Open Build Service allows authenticated users to generate HTTP request against internal networks and potentially downloading data that is exposed there. This issue affects: openSUSE Open Build Service .

Weakness: CWE-610

Which versions are affected by CVE-2018-12475?

It affects 1 product.

Products include Opensuse Open Build Service.

How do I fix CVE-2018-12475?

No fix has been published for CVE-2018-12475 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-2018-12475 being exploited?

There is no known exploitation of CVE-2018-12475 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 GHSA-g9wc-c5v2-f8gx, UBUNTU-CVE-2018-12475.