CVE-2022-34916 — Apache Flume versions 1

Apache Flume versions 1.4.0 through 1.10.0 are vulnerable to a remote code execution (RCE) attack when a configuration uses a JMS Source with a JNDI LDAP data source URI when an attacker has control of the target LDAP server. This issue is fixed by limiting JNDI to allow only the

01What is this vulnerability?

Apache Flume versions 1.4.0 through 1.10.0 are vulnerable to a remote code execution (RCE) attack when a configuration uses a JMS Source with a JNDI LDAP data source URI when an attacker has control of the target LDAP server. This issue is fixed by limiting JNDI to allow only the use of the java protocol or no protocol.

02Affected products

Vendor	Product	Versions
Apache Software Foundation	Apache Flume	flume-jms-source

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-08-21T08:15:19.000Z
• Last modified: 2024-08-03T09:22:10.646Z

09References

• issues.apache.org — https://issues.apache.org/jira/browse/FLUME-3428
• lists.apache.org — https://lists.apache.org/thread/qkmt4r2t9tbrxrdbjg1m2oczbvczd9zn