CVE-2017-1571 Explained : Impact and Mitigation

IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, and 11.1 are affected by a vulnerability related to weak cryptographic algorithms, potentially allowing unauthorized decryption of sensitive data.

Understanding CVE-2017-1571

This CVE involves vulnerabilities in IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, and 11.1 due to the utilization of weaker cryptographic algorithms than expected.

What is CVE-2017-1571?

The cryptographic algorithms used in IBM DB2 for Linux, UNIX, and Windows are not as robust as anticipated, posing a risk of unauthorized parties decrypting highly sensitive data. Identified by IBM X-Force with ID 131853.

The Impact of CVE-2017-1571

CVSS Score: 5.1 (Medium Severity)
Confidentiality Impact: High
Attack Complexity: High
Attack Vector: Local
No Integrity Impact
No Privileges Required
No User Interaction Required

Technical Details of CVE-2017-1571

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability stems from the use of weaker cryptographic algorithms in IBM DB2 for Linux, UNIX, and Windows, potentially enabling unauthorized decryption of sensitive information.

Affected Systems and Versions

Affected Products: DB2 for Linux, UNIX, and Windows
Vendor: IBM
Affected Versions: 9.7, 10.1, 10.5, 11.1

Exploitation Mechanism

The vulnerability allows attackers to exploit the weaker cryptographic algorithms to decrypt highly sensitive data without requiring user interaction.

Mitigation and Prevention

Protecting systems from CVE-2017-1571 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update to the latest version of IBM DB2 for Linux, UNIX, and Windows.
Implement strong encryption mechanisms to safeguard sensitive data.
Monitor for any unauthorized decryption attempts.

Long-Term Security Practices

Regularly review and update cryptographic algorithms to ensure robust security.
Conduct security audits to identify and address vulnerabilities proactively.

Patching and Updates

Apply security patches provided by IBM to address the vulnerability and enhance system security.