CVE-2019-4015 : What You Need to Know

IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, and 11.1 is susceptible to a buffer overflow vulnerability that could allow a local authenticated attacker to execute arbitrary code as root on the affected system.

Understanding CVE-2019-4015

This CVE involves a critical vulnerability in IBM DB2 for Linux, UNIX, and Windows, potentially leading to unauthorized code execution with elevated privileges.

What is CVE-2019-4015?

IBM DB2 for Linux, UNIX, and Windows (including DB2 Connect Server) versions 9.7, 10.1, 10.5, and 11.1 are impacted by a buffer overflow vulnerability.
The vulnerability could be exploited by a local attacker with authentication to execute arbitrary code as root on the system.

The Impact of CVE-2019-4015

CVSS Base Score: 8.4 (High)
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-2019-4015

This section provides in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability in IBM DB2 for Linux, UNIX, and Windows allows a buffer overflow, enabling unauthorized code execution.

Affected Systems and Versions

Products: DB2 for Linux, UNIX, and Windows
Vendor: IBM
Affected Versions: 9.7, 10.1, 10.5, 11.1

Exploitation Mechanism

The vulnerability could be exploited by a local attacker authenticated on the system to execute arbitrary code as root.

Mitigation and Prevention

Protect your systems from potential exploits and enhance security measures.

Immediate Steps to Take

Apply official fixes provided by IBM to address the vulnerability.
Monitor IBM's security advisories for updates and patches.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access.
Conduct regular security assessments and penetration testing.
Keep systems updated with the latest security patches.

Patching and Updates

Regularly update IBM DB2 for Linux, UNIX, and Windows to the latest versions to mitigate known vulnerabilities.