CVE-2018-1566 Explained : Impact and Mitigation

A format string error in IBM DB2 for Linux, UNIX and Windows versions 9.7, 10.1, 10.5, and 11.1 could potentially allow a local user to execute arbitrary code. This vulnerability has a CVSS base score of 8.4.

Understanding CVE-2018-1566

This CVE identifies a format string error in IBM DB2 for Linux, UNIX and Windows, including DB2 Connect Server, that could lead to arbitrary code execution.

What is CVE-2018-1566?

The vulnerability in IBM DB2 for Linux, UNIX and Windows versions 9.7, 10.1, 10.5, and 11.1 could be exploited by a local user to execute arbitrary code.

The Impact of CVE-2018-1566

CVSS Base Score: 8.4 (High)
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
Report Confidence: Confirmed

Technical Details of CVE-2018-1566

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows a local user to exploit a format string error in IBM DB2 for Linux, UNIX and Windows, potentially leading to arbitrary code execution.

Affected Systems and Versions

The following versions of IBM DB2 for Linux, UNIX and Windows are affected:

9.7
10.1
10.5
11.1

Exploitation Mechanism

The vulnerability could be exploited by a user with local access to execute arbitrary code.

Mitigation and Prevention

To address CVE-2018-1566, follow these mitigation strategies:

Immediate Steps to Take

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

Long-Term Security Practices

Implement the principle of least privilege to restrict user access.
Regularly update and patch IBM DB2 installations.

Patching and Updates

Ensure that you regularly update and apply patches provided by IBM to mitigate the vulnerability.