CVE-2019-4588 : Security Advisory and Response
Learn about CVE-2019-4588, a high-severity vulnerability in IBM Db2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, 11.1, and 11.5 allowing unauthorized code execution and DLL hijacking attacks.
IBM Db2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, 11.1, and 11.5 have a vulnerability that could allow unauthorized code execution and DLL hijacking attacks by a local user.
Understanding CVE-2019-4588
This CVE involves a high-severity vulnerability in IBM Db2 for Linux, UNIX, and Windows, potentially leading to unauthorized code execution.
What is CVE-2019-4588?
The versions 9.7, 10.1, 10.5, 11.1, and 11.5 of IBM Db2 for Linux, UNIX, and Windows have a vulnerability that could be exploited by a user with local access to execute unauthorized code and perform DLL hijacking attacks.
The Impact of CVE-2019-4588
- CVSS Base Score: 7.4 (High)
- Attack Vector: Local
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Privileges Required: None
- Exploit Code Maturity: Unproven
- Remediation Level: Official Fix
- Report Confidence: Confirmed
Technical Details of CVE-2019-4588
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in IBM Db2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a local user to execute unauthorized code and conduct DLL hijacking attacks.
Affected Systems and Versions
The following versions are affected:
- DB2 for Linux, UNIX and Windows 9.7
- DB2 for Linux, UNIX and Windows 10.1
- DB2 for Linux, UNIX and Windows 10.5
- DB2 for Linux, UNIX and Windows 11.1
- DB2 for Linux, UNIX and Windows 11.5
Exploitation Mechanism
The vulnerability can be exploited by a user with local access to execute unauthorized code and perform DLL hijacking attacks.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Apply the official fix provided by IBM to patch the vulnerability.
- Monitor for any unauthorized code execution or DLL hijacking attempts.
Long-Term Security Practices
- Regularly update and patch the IBM Db2 software to prevent security vulnerabilities.
- Implement strict access controls to limit local user privileges.
Patching and Updates
Ensure that all systems running affected versions of IBM Db2 for Linux, UNIX, and Windows are updated with the latest patches and security fixes.