CVE-2018-11777 : Vulnerability Insights and Analysis

Apache Hive versions 2.3.3, 3.1.0, and earlier are vulnerable to potential misuse by malicious users due to inadequate safeguarding of local resources on HiveServer2 machines.

Understanding CVE-2018-11777

If ranger, sentry, or sql standard authorizer is not in use, local resources on HiveServer2 machines are not effectively protected against misuse.

What is CVE-2018-11777?

CVE-2018-11777 highlights a vulnerability in Apache Hive versions 2.3.3, 3.1.0, and earlier, where local resources on HiveServer2 machines are not adequately safeguarded against potential misuse by malicious users.

The Impact of CVE-2018-11777

The exposure of local resources on HiveServer2 machines can lead to unauthorized access and misuse by malicious actors, compromising the security and integrity of the system.

Technical Details of CVE-2018-11777

Apache Hive vulnerability details and affected systems.

Vulnerability Description

The vulnerability in Apache Hive versions 2.3.3, 3.1.0, and earlier allows malicious users to potentially misuse local resources on HiveServer2 machines if specific authorizers are not in use.

Affected Systems and Versions

Product: Apache Hive
Vendor: Apache Software Foundation
Versions: All versions of Hive, including 2.3.3, 3.1.0, and earlier

Exploitation Mechanism

If ranger, sentry, or sql standard authorizer is not implemented, malicious users can exploit this vulnerability to gain unauthorized access to local resources on HiveServer2 machines.

Mitigation and Prevention

Protecting systems against CVE-2018-11777.

Immediate Steps to Take

Implement and configure ranger, sentry, or sql standard authorizer to safeguard local resources on HiveServer2 machines.
Regularly monitor and audit access to HiveServer2 to detect any unauthorized activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate users on best security practices and the importance of access control to prevent unauthorized access.

Patching and Updates

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