CVE-2020-8185 Untrusted users can run pending migrations in production in Rails

What is CVE-2020-8185?

CVE-2020-8185 is a medium-severity denial of service vulnerability in Fedoraproject Fedora, published on 2 Jul 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A denial of service vulnerability exists in Rails <6.0.3.2 that allowed an untrusted user to run any pending migrations on a Rails app running in production.

Weakness: CWE-400

Which versions are affected by CVE-2020-8185?

2 open source packages ship an affected version, including actionpack. It affects 2 products.

Products include Fedoraproject Fedora, Rubyonrails Rails.

How do I fix CVE-2020-8185?

Upgrade actionpack to 6.0.3.2 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-8185 being exploited?

There is no known exploitation of CVE-2020-8185 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

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

Also known as GHSA-c6qr-h5vq-59jc, UBUNTU-CVE-2020-8185.