CVE-2018-1277 Denial of service in Garden-runC

Medium 6.5 Published Updated

An authenticated user can bypass disk quotas by pushing a malicious Docker image, causing a denial of service on the Diego cell.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-1277?

CVE-2018-1277 is a medium-severity denial of service vulnerability in Cloud Foundry Garden-runC, published on 30 Apr 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Cloud Foundry Garden-runC, versions prior to 1.13.0, does not correctly enforce disc quotas for Docker image layers. A remote authenticated user may push an app with a malicious Docker image that will consume more space on a Diego cell than allocated in their quota, potentially causing a DoS against the cell.

Weakness: CWE-400

Which versions are affected by CVE-2018-1277?

It affects 2 products.

Products include Cloudfoundry Cf-Deployment, Cloudfoundry Garden-Runc.

How do I fix CVE-2018-1277?

No fix has been published for CVE-2018-1277 yet. Limit exposure of the affected software until one is available.

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-2018-1277 being exploited?

There is no known exploitation of CVE-2018-1277 in the wild and no public exploit code.

Sources

Also known as GHSA-932h-8mcc-v5m6.

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