CVE-2019-4322 : Vulnerability Insights and Analysis
Learn about CVE-2019-4322, a critical vulnerability in IBM DB2 for Linux, UNIX and Windows versions 9.7, 10.1, 10.5, and 11.1, allowing attackers to execute code with root privileges.
IBM DB2 for Linux, UNIX and Windows versions 9.7, 10.1, 10.5, and 11.1 are vulnerable to a buffer overflow, potentially allowing an attacker to execute arbitrary code with root privileges.
Understanding CVE-2019-4322
This CVE involves a critical vulnerability in IBM DB2 for Linux, UNIX, and Windows that could lead to privilege escalation.
What is CVE-2019-4322?
The vulnerability in IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, and 11.1 could result in a buffer overflow, enabling a locally authenticated attacker to run arbitrary code with root privileges on the affected system.
The Impact of CVE-2019-4322
- CVSS Base Score: 8.4 (High Severity)
- Attack Vector: Local
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Privileges Required: None
- Exploit Code Maturity: Unproven
- User Interaction: None
- Remediation Level: Official Fix
- Report Confidence: Confirmed
Technical Details of CVE-2019-4322
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows a buffer overflow in IBM DB2 for Linux, UNIX, and Windows, potentially leading to arbitrary code execution with root privileges.
Affected Systems and Versions
- IBM DB2 for Linux, UNIX and Windows 9.7
- IBM DB2 for Linux, UNIX and Windows 10.1
- IBM DB2 for Linux, UNIX and Windows 10.5
- IBM DB2 for Linux, UNIX and Windows 11.1
Exploitation Mechanism
The vulnerability can be exploited by a locally authenticated attacker to execute malicious code with elevated privileges.
Mitigation and Prevention
To address CVE-2019-4322, follow these mitigation strategies:
Immediate Steps to Take
- Apply the official fix provided by IBM.
- Monitor IBM's security bulletins for updates and patches.
Long-Term Security Practices
- Regularly update and patch IBM DB2 installations.
- Implement least privilege access controls to limit potential damage from successful exploits.
Patching and Updates
- Stay informed about security updates and patches released by IBM for DB2.