CVE-2018-1796 Explained : Impact and Mitigation

IBM Informix Dynamic Server Enterprise Edition 12.1 could allow a local user to load harmful libraries and gain root privileges.

Understanding CVE-2018-1796

The vulnerability identified as IBM X-Force ID: 149426 in IBM Informix Dynamic Server Enterprise Edition 12.1 poses a significant security risk.

What is CVE-2018-1796?

The vulnerability in IBM Informix Dynamic Server Enterprise Edition 12.1 could enable a local user to load malicious libraries and obtain administrative access with root privileges.

The Impact of CVE-2018-1796

CVSS Score: 7.8 (High)
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Privileges Required: Low
Exploit Code Maturity: Unproven
This vulnerability has been confirmed and labeled as IBM X-Force ID: 149426.

Technical Details of CVE-2018-1796

Vulnerability Description

The vulnerability allows a local user to escalate privileges by loading harmful libraries.

Affected Systems and Versions

Affected Product: Informix Dynamic Server Enterprise Edition
Vendor: IBM
Affected Version: 12.1

Exploitation Mechanism

The vulnerability can be exploited by a local user to gain root privileges.

Mitigation and Prevention

Immediate Steps to Take

Apply the official fix provided by IBM to address the vulnerability.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Regularly update and patch the Informix Dynamic Server Enterprise Edition.
Implement the principle of least privilege to restrict user access.

Patching and Updates

Stay informed about security bulletins and updates from IBM.