CVE-2021-36372 : Vulnerability Insights and Analysis
Learn about CVE-2021-36372 affecting Apache Ozone versions prior to 1.2.0. Find out how authenticated users can retrieve block tokens, impact, and mitigation steps.
Apache Ozone versions prior to 1.2.0 are affected by a vulnerability where initially generated block tokens are persisted to the metadata database, allowing authenticated users to retrieve them even after access is revoked.
Understanding CVE-2021-36372
This CVE identifier refers to the issue in Apache Ozone where block tokens are stored insecurely, leading to potential misuse by authenticated users.
What is CVE-2021-36372?
In Apache Ozone versions before 1.2.0, block tokens are stored in the metadata database and can be exploited by authenticated users even after their access is revoked.
The Impact of CVE-2021-36372
This vulnerability can be exploited by authenticated users to access block tokens they should no longer have permissions for, potentially leading to unauthorized actions.
Technical Details of CVE-2021-36372
This section provides specific technical information about the vulnerability.
Vulnerability Description
The flaw in Apache Ozone versions prior to 1.2.0 allows initially generated block tokens to be persistently stored in the metadata database, enabling their retrieval by unauthorized users.
Affected Systems and Versions
Apache Ozone versions up to and including 1.1 are affected by this vulnerability.
Exploitation Mechanism
Authenticated users with permissions to specific keys can exploit this vulnerability to access block tokens, even after their access rights have been revoked.
Mitigation and Prevention
Protecting your systems from CVE-2021-36372 is crucial to maintaining security.
Immediate Steps to Take
Upgrade to Apache Ozone release version 1.2.0 to mitigate this vulnerability and prevent unauthorized access to block tokens.
Long-Term Security Practices
Regularly monitor and update your software to address security vulnerabilities and follow best practices for secure data storage and access control.
Patching and Updates
Stay informed about security patches and updates released by Apache Software Foundation to address known vulnerabilities.