CVE-2020-13295 Server-side request forgery in GitLab Runner
Attackers can exploit SSRF in GitLab Runner by replacing dockerd with a malicious server, potentially accessing internal resources.
- 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-2020-13295?
CVE-2020-13295 is a medium-severity server-side request forgery vulnerability in GitLab Runner, published on 10 Aug 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
For GitLab Runner before 13.0.12, 13.1.6, 13.2.3, by replacing dockerd with a malicious server, the Shared Runner is susceptible to SSRF.
Weakness: CWE-918
Which versions are affected by CVE-2020-13295?
1 open source package ship an affected version, including gitlab-runner. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab-runner Bitnami | From 1.0.0 | 13.0.12, 13.1.6, 13.2.3 |
Products include Gitlab Runner.
How do I fix CVE-2020-13295?
Upgrade gitlab-runner to a fixed version for your release line: 13.0.12, 13.1.6 or 13.2.3.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2020-13295 being exploited?
There is no known exploitation of CVE-2020-13295 in the wild and no public exploit code.
Other vulnerabilities in GitLab Runner
Sources
Also known as BIT-gitlab-runner-2020-13295, GHSA-83vw-qmcc-rxwg, UBUNTU-CVE-2020-13295.