CVE-2019-4102 : Vulnerability Insights and Analysis

IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, and 11.0 have a vulnerability related to cryptographic algorithms. This CVE was published on June 27, 2019.

Understanding CVE-2019-4102

This CVE affects IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, and 11.0, potentially allowing unauthorized access to encrypted data.

What is CVE-2019-4102?

IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, and 11.0 utilize weaker cryptographic algorithms than expected, posing a risk of unauthorized data decryption by attackers.

The Impact of CVE-2019-4102

CVSS Base Score: 5.9 (Medium Severity)
Confidentiality Impact: High
Attack Complexity: High
Exploit Code Maturity: Unproven
Vector String: CVSS:3.0/A:N/S:U/I:N/UI:N/C:H/PR:N/AC:H/AV:N/E:U/RL:O/RC:C

Technical Details of CVE-2019-4102

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, and 11.0 stems from the use of less secure cryptographic algorithms, potentially enabling attackers to decrypt sensitive information.

Affected Systems and Versions

Affected Systems: DB2 for Linux, UNIX, and Windows
Affected Versions: 9.7, 10.1, 10.5, 11.0

Exploitation Mechanism

The vulnerability can be exploited by attackers to gain unauthorized access to encrypted data due to the inadequate strength of cryptographic algorithms.

Mitigation and Prevention

Protecting systems from CVE-2019-4102 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update DB2 for Linux, UNIX, and Windows to a version with stronger cryptographic algorithms.
Monitor for any unauthorized access to encrypted data.

Long-Term Security Practices

Implement robust encryption protocols and algorithms.
Regularly review and update cryptographic mechanisms to align with industry standards.

Patching and Updates

Apply official fixes provided by IBM to address the vulnerability in affected versions of DB2 for Linux, UNIX, and Windows.