CVE-2017-1438 : Security Advisory and Response

A potential security vulnerability has been identified in IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, and 11.1, allowing a local user with DB2 instance owner privileges to gain root access.

Understanding CVE-2017-1438

This CVE involves a privilege escalation vulnerability in IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, and 11.1.

What is CVE-2017-1438?

IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, and 11.1, including DB2 Connect Server, are affected by a security flaw that could enable a local user with DB2 instance owner privileges to acquire root access.

The Impact of CVE-2017-1438

The vulnerability could potentially lead to unauthorized users gaining elevated privileges on the affected systems.

Technical Details of CVE-2017-1438

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, and 11.1 allows a local user with DB2 instance owner privileges to escalate their privileges to root access.

Affected Systems and Versions

Product: 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 user who possesses DB2 instance owner privileges to gain root access on the system.

Mitigation and Prevention

To address CVE-2017-1438, follow these mitigation strategies:

Immediate Steps to Take

Apply the necessary security patches provided by IBM.
Restrict access to privileged accounts.
Monitor and audit DB2 instance owner privileges.

Long-Term Security Practices

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

Patching and Updates

Ensure that you regularly check for updates and patches released by IBM to address security vulnerabilities.