CVE-2023-34212 Apache NiFi: Potential Deserialization of Untrusted Data with JNDI in JMS Components
Authenticated users can trigger remote code execution via unsafe JNDI deserialization in JMS components by configuring malicious URLs.
- 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-2023-34212?
CVE-2023-34212 is a medium-severity unsafe deserialization vulnerability in Apache Nifi, published on 12 Jun 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The JndiJmsConnectionFactoryProvider Controller Service, along with the ConsumeJMS and PublishJMS Processors, in Apache NiFi 1.8.0 through 1.21.0 allow an authenticated and authorized user to configure URL and library properties that enable deserialization of untrusted data from a remote location.
The resolution validates the JNDI URL and restricts locations to a set of allowed schemes.
You are recommended to upgrade to version 1.22.0 or later which fixes this issue.
Weakness: CWE-502
Which versions are affected by CVE-2023-34212?
3 open source packages ship an affected version, including org.apache.nifi:nifi-jms-processors and nifi. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.nifi:nifi-jms-processors Maven | From 1.8.0 | 1.22.0 |
org.apache.nifi:nifi-jms-processors Maven | From 1.8.0 | 1.22.0 |
nifi Bitnami | From 1.8.0 to 1.21.0 | None |
Products include Apache Nifi.
How do I fix CVE-2023-34212?
Upgrade org.apache.nifi:nifi-jms-processors to 1.22.0 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2023-34212 being exploited?
There is no known exploitation of CVE-2023-34212 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
- CVE-2017-15697 Apache NiFi XSS issue in context path handling
- CVE-2017-5636 Injection in Apache NiFi
- CVE-2026-68981 Apache NiFi: Uncontrolled Resource Consumption through Decompression of HTTP Requests
- CVE-2023-36542 Apache NiFi: Potential Code Injection with Properties Referencing Remote Resources
Sources
Also known as BIT-nifi-2023-34212, GHSA-65wh-g8x8-gm2h.