CVE-2016-9592 Denial of service in openshift
Attackers can trigger a denial of service by causing volume detach failures, leading to excessive API requests that exceed cloud provider rate limits.
- 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-2016-9592?
CVE-2016-9592 is a medium-severity denial of service vulnerability in Redhat Openshift, published on 16 Apr 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
openshift before versions 3.3.1.11, 3.2.1.23, 3.4 is vulnerable to a flaw when a volume fails to detach, which causes the delete operation to fail with 'VolumeInUse' error. Since the delete operation is retried every 30 seconds for each volume, this could lead to a denial of service attack as the number of API requests being sent to the cloud-provider exceeds the API's rate-limit.
Which versions are affected by CVE-2016-9592?
It affects 1 product.
Products include Redhat Openshift.
How do I fix CVE-2016-9592?
No fix has been published for CVE-2016-9592 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-2016-9592 being exploited?
There is no known exploitation of CVE-2016-9592 in the wild and no public exploit code.
Other vulnerabilities in Redhat Openshift
Sources
Also known as GHSA-4p74-q7jv-8p55.