CVE-2018-1315 : What You Need to Know

Apache Hive versions 2.1.0 to 2.3.2 are vulnerable to a security issue related to the 'COPY FROM FTP' statement when using the HPL/SQL extension. This vulnerability allows a compromised or malicious FTP server to write downloaded files to any location on the cluster.

Understanding CVE-2018-1315

This CVE entry highlights a resource injection vulnerability in Apache Hive versions 2.1.0 to 2.3.2, affecting users utilizing the 'COPY FROM FTP' statement with the HPL/SQL extension.

What is CVE-2018-1315?

In Apache Hive versions 2.1.0 to 2.3.2, a flaw exists in the 'COPY FROM FTP' statement when used with the HPL/SQL extension. This vulnerability enables a compromised or malicious FTP server to write downloaded files to any location on the cluster where the command is executed.

The Impact of CVE-2018-1315

The vulnerability allows an attacker controlling the FTP server to manipulate the destination location of downloaded files, potentially leading to unauthorized access or data corruption within the cluster.

Technical Details of CVE-2018-1315

Apache Hive CVE-2018-1315 involves the following technical aspects:

Vulnerability Description

The issue arises from the lack of verification of the destination location by the FTP client code in HPL/SQL.

Affected Systems and Versions

Product: Apache Hive
Vendor: Apache Software Foundation
Versions: 2.1.0 to 2.3.2

Exploitation Mechanism

Exploitation occurs when utilizing the 'COPY FROM FTP' statement with the HPL/SQL extension, allowing a compromised FTP server to write files to arbitrary locations on the cluster.

Mitigation and Prevention

To address CVE-2018-1315, consider the following mitigation strategies:

Immediate Steps to Take

Avoid using the 'COPY FROM FTP' statement with the HPL/SQL extension in Apache Hive versions 2.1.0 to 2.3.2.
Regularly monitor and restrict FTP server access to prevent unauthorized activities.

Long-Term Security Practices

Implement network segmentation to isolate critical systems from potentially compromised FTP servers.
Conduct regular security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Apply patches or updates provided by Apache Software Foundation to address the vulnerability in affected versions of Apache Hive.