CVE-2020-14326 RESTEasy 4.5.5.Final in hash flooding

What is CVE-2020-14326?

CVE-2020-14326 is a high-severity denial of service vulnerability in Netapp Oncommand Insight, published on 2 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was found in RESTEasy, where RootNode incorrectly caches routes. This issue results in hash flooding, leading to slower requests with higher CPU time spent searching and adding the entry. This flaw allows an attacker to cause a denial of service.

Weakness: CWE-400

Which versions are affected by CVE-2020-14326?

2 open source packages ship an affected version, including org.jboss.resteasy:resteasy-bom. It affects 3 products.

Products include Netapp Oncommand Insight, Redhat Integration Camel K, Redhat Resteasy.

How do I fix CVE-2020-14326?

Upgrade org.jboss.resteasy:resteasy-bom to 4.5.6.Final 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-2020-14326 being exploited?

There is no known exploitation of CVE-2020-14326 in the wild and no public exploit code.

Other vulnerabilities in Netapp Oncommand Insight

• CVE-2017-5600 Hardcoded credentials in n/a Critical 9.8
• CVE-2018-1258 Spring Framework when used in combination with any versions of Spring Security contains an authorization bypass High 8.8
• CVE-2020-5421 RFD Protection Bypass via jsessionid High 8.7
• CVE-2022-38733 Auth bypass in OnCommand Insight High 8.6
• CVE-2023-22102 MySQL Connectors takeover vulnerability High 8.3

All Netapp Oncommand Insight vulnerabilities

Sources

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

Also known as GHSA-37g7-8vjj-pjpj, UBUNTU-CVE-2020-14326.