CVE-2020-25689 Uncontrolled Resource Consumption in WildFly
An attacker can cause a denial of service by triggering a memory leak in WildFly's host-controller reconnection logic.
- 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-2020-25689?
CVE-2020-25689 is a medium-severity denial of service vulnerability in Netapp Active Iq Unified Manager, published on 30 Oct 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A memory leak flaw was found in WildFly in all versions up to 21.0.0.Final, where host-controller tries to reconnect in a loop, generating new connections which are not properly closed while not able to connect to domain-controller. This flaw allows an attacker to cause an Out of memory (OOM) issue, leading to a denial of service. The highest threat from this vulnerability is to system availability.
Weakness: CWE-401
Which versions are affected by CVE-2020-25689?
3 open source packages ship an affected version, including org.wildfly:wildfly-dist and wildfly. It affects 10 products.
| Package | Affected | Fixed in |
|---|---|---|
org.wildfly:wildfly-dist Maven | All versions | 21.0.1 |
org.wildfly:wildfly-dist Maven | All versions | 21.0.1 |
wildfly Bitnami | All versions | 21.0.1 |
Products include Netapp Active Iq Unified Manager, Netapp Oncommand Insight, Netapp Service Level Manager, Redhat Fuse, Redhat Jboss Data Grid, Redhat Jboss Enterprise Application Platform and 4 more.
How do I fix CVE-2020-25689?
Upgrade org.wildfly:wildfly-dist to 21.0.1 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-2020-25689 being exploited?
There is no known exploitation of CVE-2020-25689 in the wild and no public exploit code.
Other vulnerabilities in Netapp Active Iq Unified Manager
Sources
Also known as BIT-wildfly-2020-25689, GHSA-97hp-6q9g-5cw2.