CVE-2023-22832

Apache NiFi: Improper Restriction of XML External Entity References in ExtractCCDAAttributes

CVSS 7.5 HIGHEPSS 1.4%CWE-611

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.5EPSS 1.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

10 Feb 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

The ExtractCCDAAttributes Processor in Apache NiFi 1.2.0 through 1.19.1 does not restrict XML External Entity references. Flow configurations that include the ExtractCCDAAttributes Processor are vulnerable to malicious XML documents that contain Document Type Declarations with XML External Entity references. The resolution disables Document Type Declarations and disallows XML External Entity resolution in the ExtractCCDAAttributes Processor.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Apache Software Foundation · Apache NiFi

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References

https://lists.apache.org/thread/b51qs6y7b7r58vovddkv6wc16g2xbl3w https://nifi.apache.org/security.html#CVE-2023-22832