CVE-2019-10080 : What You Need to Know

In NiFi versions 1.3.0 to 1.9.2, a vulnerability in the XMLFileLookupService allowed authorized users to inadvertently configure a harmful XML file, potentially revealing sensitive information.

Understanding CVE-2019-10080

This CVE involves an information disclosure vulnerability in Apache NiFi versions 1.3.0 to 1.9.2.

What is CVE-2019-10080?

The XMLFileLookupService vulnerability in NiFi versions 1.3.0 to 1.9.2 enabled trusted users to configure a malicious XML file, leading to potential information disclosure.

The Impact of CVE-2019-10080

The vulnerability allowed the XML file to make external calls to services, risking exposure of Java, Jersey, and Apache versions used by the NiFi instance.

Technical Details of CVE-2019-10080

This section provides detailed technical insights into the CVE.

Vulnerability Description

The XMLFileLookupService in NiFi versions 1.3.0 to 1.9.2 permitted trusted users to configure a potentially harmful XML file, which could disclose sensitive information.

Affected Systems and Versions

Product: Apache NiFi
Versions Affected: Apache NiFi 1.3.0 to 1.9.2

Exploitation Mechanism

The vulnerability could be exploited by authorized users to configure a malicious XML file, leading to potential information disclosure.

Mitigation and Prevention

Protecting systems from CVE-2019-10080 is crucial for maintaining security.

Immediate Steps to Take

Update NiFi to a patched version that addresses the vulnerability.
Restrict access to the XMLFileLookupService to authorized and trusted users.

Long-Term Security Practices

Regularly monitor and audit XML file configurations in NiFi.
Educate users on secure configuration practices to prevent inadvertent exposure of sensitive information.

Patching and Updates

Apply security patches provided by Apache NiFi promptly to mitigate the vulnerability.