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Date: Thu, 09 Feb 2023 23:12:45 +0000
From: David Handermann <exceptionfactory@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2023-22832: Apache NiFi: Improper Restriction of XML External
Entity References in ExtractCCDAAttributes
Severity: moderate
Description:
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.
This issue is being tracked as NIFI-11029
Credit:
Yi Cai of Chaitin Tech (finder)
References:
https://nifi.apache.org/security.html#CVE-2023-22832
https://nifi.apache.org/
https://www.cve.org/CVERecord?id=CVE-2023-22832
https://issues.apache.org/jira/browse/NIFI-11029
Timeline:
2023-01-03: reported
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