CVE-2017-17421 Explained : Impact and Mitigation
Learn about CVE-2017-17421, a critical SQL injection vulnerability in Quest NetVault Backup 11.3.0.12 allowing remote attackers to execute unauthorized code without authentication. Find mitigation steps and patches.
A security vulnerability in Quest NetVault Backup 11.3.0.12 allows remote attackers to execute unauthorized code without authentication.
Understanding CVE-2017-17421
What is CVE-2017-17421?
This CVE identifies a flaw in Quest NetVault Backup 11.3.0.12 that enables remote attackers to run arbitrary code by exploiting SQL injection.
The Impact of CVE-2017-17421
The vulnerability permits attackers to execute code within the underlying database without requiring authentication, posing a significant security risk.
Technical Details of CVE-2017-17421
Vulnerability Description
The issue stems from inadequate validation of user-supplied strings in NVBUSelectionSet Get method requests, allowing attackers to inject and execute malicious SQL queries.
Affected Systems and Versions
- Product: Quest NetVault Backup
- Vendor: Quest
- Version: 11.3.0.12
Exploitation Mechanism
- Attackers exploit the vulnerability by manipulating user-supplied strings to execute unauthorized code within the database.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Quest to address the vulnerability.
- Implement network security measures to restrict unauthorized access.
Long-Term Security Practices
- Regularly update and patch software to prevent known vulnerabilities.
- Conduct security audits and penetration testing to identify and mitigate potential risks.
Patching and Updates
- Quest has released patches to fix the vulnerability; ensure timely installation to secure systems.