CVE-2017-7677 : Vulnerability Insights and Analysis
Learn about CVE-2017-7677, a vulnerability in Apache Ranger before 0.7.1 allowing unauthorized table creation in hive environments. Find mitigation steps and long-term security practices.
Apache Ranger before version 0.7.1 is vulnerable to an authorization issue related to RWX permission for table creation in environments using external locations for hive tables.
Understanding CVE-2017-7677
Apache Ranger's Hive Authorizer has a vulnerability that could allow unauthorized table creation due to inadequate permission checks.
What is CVE-2017-7677?
The CVE-2017-7677 vulnerability in Apache Ranger's Hive Authorizer allows malicious actors to create tables without proper permissions in environments using external locations for hive tables.
The Impact of CVE-2017-7677
This vulnerability could lead to unauthorized data access and manipulation, potentially compromising the integrity and confidentiality of sensitive information.
Technical Details of CVE-2017-7677
Apache Ranger's vulnerability exposes systems to unauthorized table creation in hive environments.
Vulnerability Description
The issue arises from inadequate permission verification for table creation in Apache Ranger's Hive Authorizer before version 0.7.1.
Affected Systems and Versions
- Product: Apache Ranger
- Vendor: Apache Software Foundation
- Vulnerable Versions: 0.5.x, 0.6.x, 0.7.0
Exploitation Mechanism
Malicious actors can exploit this vulnerability to create tables without the necessary permissions, potentially leading to unauthorized data access and manipulation.
Mitigation and Prevention
Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2017-7677.
Immediate Steps to Take
- Upgrade Apache Ranger to version 0.7.1 or later to address the vulnerability.
- Review and adjust table creation permissions to ensure proper access controls.
Long-Term Security Practices
- Regularly review and update access control policies for hive tables.
- Conduct security audits to identify and address authorization vulnerabilities.
Patching and Updates
- Apply patches and updates provided by Apache Software Foundation to fix the vulnerability and enhance system security.