CVE-2019-4386 Explained : Impact and Mitigation

IBM DB2 for Linux, UNIX and Windows 11.1 has a vulnerability that could lead to a server crash when exploited by an authenticated user. This CVE was published on June 27, 2019.

Understanding CVE-2019-4386

IBM DB2 for Linux, UNIX and Windows 11.1 is susceptible to a potential vulnerability that could result in a denial of service (DoS) attack.

What is CVE-2019-4386?

The vulnerability in IBM DB2 for Linux, UNIX and Windows 11.1 allows an authenticated user to trigger a specific function that may cause the server to crash, impacting availability.

The Impact of CVE-2019-4386

CVSS Base Score: 6.5 (Medium Severity)
Attack Vector: Network
Attack Complexity: Low
Availability Impact: High
Exploit Code Maturity: Unproven
Privileges Required: Low
User Interaction: None
This vulnerability has been assigned IBM X-Force ID: 162714.

Technical Details of CVE-2019-4386

IBM DB2 for Linux, UNIX and Windows 11.1 vulnerability details.

Vulnerability Description

The vulnerability allows an authenticated user to execute a function that could lead to a server crash.

Affected Systems and Versions

Affected Product: DB2 for Linux, UNIX and Windows
Vendor: IBM
Affected Version: 11.1

Exploitation Mechanism

The vulnerability can be exploited by an authenticated user to trigger a specific function, resulting in a server crash.

Mitigation and Prevention

Steps to address and prevent the CVE-2019-4386 vulnerability.

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 network security measures to prevent unauthorized access.
Conduct regular security assessments and audits.

Patching and Updates

Stay informed about security updates and patches released by IBM.