CVE-2019-14902 : Vulnerability Insights and Analysis
Learn about CVE-2019-14902, a vulnerability in Samba versions prior to 4.11.5, 4.10.12, and 4.9.18, allowing unauthorized retention of subtree modification privileges. Find mitigation steps and updates here.
CVE-2019-14902 is a vulnerability found in versions prior to 4.11.5 of all samba 4.11.x, versions prior to 4.10.12 of all samba 4.10.x, and versions prior to 4.9.18 of all samba 4.9.x. This vulnerability could lead to the privilege to create or modify a subtree not being automatically revoked on all domain controllers.
Understanding CVE-2019-14902
What is CVE-2019-14902?
This CVE identifies an issue in various versions of the Samba software where the removal of the privilege to create or modify a subtree may not be automatically revoked on all domain controllers.
The Impact of CVE-2019-14902
This vulnerability could potentially allow unauthorized users to retain privileges to create or modify a subtree, posing a security risk to the affected systems.
Technical Details of CVE-2019-14902
Vulnerability Description
The vulnerability in CVE-2019-14902 affects versions prior to 4.11.5 of all samba 4.11.x, versions prior to 4.10.12 of all samba 4.10.x, and versions prior to 4.9.18 of all samba 4.9.x. It arises from the failure to automatically revoke the privilege to create or modify a subtree on all domain controllers.
Affected Systems and Versions
- Vendor: [UNKNOWN]
- Product: Samba
- Affected Versions:
- All Samba 4.11.x versions before 4.11.5
- All Samba 4.10.x versions before 4.10.12
- All Samba 4.9.x versions before 4.9.18
Exploitation Mechanism
The vulnerability could be exploited by unauthorized users to retain privileges to create or modify a subtree, potentially leading to unauthorized access or modifications.
Mitigation and Prevention
Immediate Steps to Take
- Apply the necessary patches provided by the vendor to mitigate the vulnerability.
- Monitor and restrict access to critical systems to prevent unauthorized modifications.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Implement least privilege access controls to limit user permissions.
- Conduct security audits and assessments to identify and address potential security gaps.
Patching and Updates
Ensure that all affected systems are updated to versions 4.11.5 for Samba 4.11.x, 4.10.12 for Samba 4.10.x, and 4.9.18 for Samba 4.9.x to eliminate the vulnerability.