Apache NiFi 1.x XCE Vulnerability in ExtractCCDAAttributes Processor
CVE-2023-22832 Published on February 10, 2023
Apache NiFi: Improper Restriction of XML External Entity References in ExtractCCDAAttributes
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.
Vulnerability Analysis
CVE-2023-22832 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Timeline
reported
Weakness Type
What is a XXE Vulnerability?
The software processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
CVE-2023-22832 has been classified to as a XXE vulnerability or weakness.
Products Associated with CVE-2023-22832
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Affected Versions
Apache Software Foundation Apache NiFi:- Version 1.2.0, <= 1.19.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.