CVE-2020-4885 : What You Need to Know

IBM Db2 for Linux, UNIX, and Windows 11.5 by IBM is susceptible to a local user exploiting a race condition in a symbolic link, potentially leading to unauthorized access and configuration changes.

Understanding CVE-2020-4885

IBM Db2 for Linux, UNIX, and Windows 11.5 is affected by a vulnerability that could allow a local user to manipulate data due to a race condition in a symbolic link.

What is CVE-2020-4885?

This CVE refers to a security flaw in IBM Db2 for Linux, UNIX, and Windows 11.5 that could be exploited by a local user to access and modify the configuration of Db2.

The Impact of CVE-2020-4885

The vulnerability poses a medium severity risk with a CVSS base score of 6.2. It could result in a local user gaining unauthorized access and potentially altering the Db2 configuration.

Technical Details of CVE-2020-4885

IBM Db2 for Linux, UNIX, and Windows 11.5 vulnerability details.

Vulnerability Description

CVE ID: CVE-2020-4885
CVSS Base Score: 6.2 (Medium)
Attack Vector: Local
Integrity Impact: High
Exploit Code Maturity: Unproven

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability arises from a race condition in a symbolic link within IBM Db2 for Linux, UNIX, and Windows 11.5, enabling a local user to potentially manipulate data.

Mitigation and Prevention

Protect your systems from CVE-2020-4885.

Immediate Steps to Take

Apply the official fix provided by IBM to address the vulnerability.
Monitor and restrict local user access to critical system configurations.

Long-Term Security Practices

Regularly update and patch IBM Db2 to prevent known vulnerabilities.
Implement least privilege access controls to limit user capabilities.
Conduct security training to educate users on safe computing practices.

Patching and Updates

Ensure timely installation of security patches and updates for IBM Db2 to mitigate the risk of exploitation.