CVE-2020-4642 : Vulnerability Insights and Analysis

IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, 11.1, and 11.5 are susceptible to a denial of service vulnerability within the 'DB2 Management Service'.

Understanding CVE-2020-4642

This CVE involves a vulnerability in IBM DB2 for Linux, UNIX, and Windows that could be exploited by a local attacker to trigger a denial of service within the 'DB2 Management Service'.

What is CVE-2020-4642?

IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, 11.1, and 11.5 are impacted by a security flaw that allows a local attacker to cause a denial of service within the 'DB2 Management Service'.

The Impact of CVE-2020-4642

The vulnerability poses a medium severity risk with a CVSS base score of 6.2. It could lead to a high impact on availability if exploited.

Technical Details of CVE-2020-4642

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in IBM DB2 for Linux, UNIX, and Windows versions 9.7, 10.1, 10.5, 11.1, and 11.5 allows a local attacker to execute a denial of service attack within the 'DB2 Management Service'.

Affected Systems and Versions

Product: DB2 for Linux- UNIX and Windows
Vendor: IBM
Affected Versions: 9.7, 10.1, 10.5, 11.1, 11.5

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Privileges Required: None
User Interaction: None
Exploit Code Maturity: Unproven

Mitigation and Prevention

Protecting systems from CVE-2020-4642 is crucial to maintaining security.

Immediate Steps to Take

Apply official fixes provided by IBM.
Monitor IBM's security bulletins for updates and patches.

Long-Term Security Practices

Regularly update and patch IBM DB2 installations.
Implement strong access controls and monitoring mechanisms.

Patching and Updates

Stay informed about security advisories from IBM.