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XML External Entity Reference in Apache NiFi

High severity GitHub Reviewed Published Feb 10, 2023 to the GitHub Advisory Database • Updated Feb 17, 2023

Package

maven org.apache.nifi:nifi (Maven)

Affected versions

>= 1.2.0, < 1.20.0

Patched versions

1.20.0

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.

References

Published by the National Vulnerability Database Feb 10, 2023
Published to the GitHub Advisory Database Feb 10, 2023
Reviewed Feb 10, 2023
Last updated Feb 17, 2023

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses

CVE ID

CVE-2023-22832

GHSA ID

GHSA-hxjp-q6c3-38fx

Source code

No known source code
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