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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