CVE-2018-1936 Explained : Impact and Mitigation

A vulnerability has been discovered in versions 9.7, 10.1, 10.5, and 11.1 of IBM DB2, allowing unauthorized code execution.

Understanding CVE-2018-1936

This CVE involves a stack-based buffer overflow in IBM DB2 versions 9.7, 10.1, 10.5, and 11.1, posing a high-risk threat.

What is CVE-2018-1936?

The vulnerability in libdb2e.so.1 module of IBM DB2 versions allows attackers to execute arbitrary code due to inadequate bounds checking.

The Impact of CVE-2018-1936

CVSS Score: 8.4 (High Severity)
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Exploit Code Maturity: Unproven
Privileges Required: None
User Interaction: None
Remediation Level: Official Fix

Technical Details of CVE-2018-1936

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability is a stack-based buffer overflow in IBM DB2 versions 9.7, 10.1, 10.5, and 11.1, allowing unauthorized code execution.

Affected Systems and Versions

Affected Products: IBM DB2
Affected Versions: 9.7, 10.1, 10.5, 11.1

Exploitation Mechanism

The issue arises from improper bounds checking in the libdb2e.so.1 module, enabling attackers to exploit the vulnerability.

Mitigation and Prevention

Protect your systems from CVE-2018-1936 with these mitigation strategies.

Immediate Steps to Take

Apply official fixes provided by IBM.
Monitor IBM's security bulletins for updates.

Long-Term Security Practices

Regularly update and patch IBM DB2 installations.
Implement strong access controls and monitoring mechanisms.
Conduct regular security assessments and audits.

Patching and Updates

Ensure timely installation of security patches and updates for IBM DB2 to mitigate the vulnerability.