CVE-2023-36542 Apache NiFi: Potential Code Injection with Properties Referencing Remote Resources

What is CVE-2023-36542?

CVE-2023-36542 is a high-severity vulnerability in Apache Nifi, published on 29 Jul 2023.

Official description

Apache NiFi 0.0.2 through 1.22.0 include Processors and Controller Services that support HTTP URL references for retrieving drivers, which allows an authenticated and authorized user to configure a location that enables custom code execution. The resolution introduces a new Required Permission for referencing remote resources, restricting configuration of these components to privileged users. The permission prevents unprivileged users from configuring Processors and Controller Services annotated with the new Reference Remote Resources restriction. Upgrading to Apache NiFi 1.23.0 is the recommended mitigation.

Weakness: CWE-94

Which versions are affected by CVE-2023-36542?

17 open source packages ship an affected version, including org.apache.nifi:nifi-cdc-mysql-bundle, nifi and org.apache.nifi:nifi-dbcp-service. It affects 1 product.

Products include Apache Nifi.

How do I fix CVE-2023-36542?

Upgrade org.apache.nifi:nifi-cdc-mysql-bundle to 1.23.0 or later.

Is CVE-2023-36542 being exploited?

There is no known exploitation of CVE-2023-36542 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Apache Nifi

• CVE-2018-1309 Improper Restriction of XML External Entity Reference in Apache NiFi Critical 9.8
• CVE-2017-15697 Apache NiFi XSS issue in context path handling Critical 9.8
• CVE-2017-5636 Injection in Apache NiFi Critical 9.8
• CVE-2026-68981 Apache NiFi: Uncontrolled Resource Consumption through Decompression of HTTP Requests High 8.8
• CVE-2023-34468 Apache NiFi: Potential Code Injection with Database Services using H2 High 8.8

All Apache Nifi vulnerabilities

Sources

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

Also known as BIT-nifi-2023-36542, GHSA-r969-8v3h-23v9.