CVE-2020-4945 : What You Need to Know

IBM Db2 for Linux, UNIX, and Windows 11.5 allows an authenticated user to overwrite arbitrary files due to improper group permissions.

Understanding CVE-2020-4945

IBM Db2 for Linux, UNIX, and Windows 11.5 vulnerability with medium severity.

What is CVE-2020-4945?

IBM Db2 11.5 allows authenticated users to overwrite arbitrary files due to improper group permissions.
IBM X-Force ID: 191945.

The Impact of CVE-2020-4945

CVSS Base Score: 6.5 (Medium Severity).
Attack Vector: Network
Integrity Impact: High
Exploit Code Maturity: Unproven

Technical Details of CVE-2020-4945

Vulnerability details and affected systems.

Vulnerability Description

Authenticated users can overwrite arbitrary files due to improper group permissions in IBM Db2 11.5.

Affected Systems and Versions

Product: DB2 for Linux and UNIX
Vendor: IBM
Version: 11.5

Exploitation Mechanism

Attack Complexity: Low
Privileges Required: Low
User Interaction: None

Mitigation and Prevention

Protecting systems from CVE-2020-4945.

Immediate Steps to Take

Apply official fixes provided by IBM.
Monitor for any unauthorized file modifications.

Long-Term Security Practices

Regularly review and adjust file permissions.
Conduct security training for users on file access best practices.

Patching and Updates

Keep IBM Db2 software up to date with the latest security patches.