CVE-2019-4284 : Exploit Details and Defense Strategies

IBM Cloud Private versions 2.1.0, 3.1.0, 3.1.1, and 3.1.2 have a vulnerability that allows a user with local privileges to access sensitive OIDC tokens from log files, potentially leading to unauthorized system access.

Understanding CVE-2019-4284

Versions 2.1.0, 3.1.0, 3.1.1, and 3.1.2 of IBM Cloud Private are affected by a security vulnerability that could be exploited by a user with local privileges.

What is CVE-2019-4284?

The vulnerability in IBM Cloud Private allows a user to extract sensitive OIDC tokens from log files.
An attacker could use these tokens to gain unauthorized access to the system as a different user.

The Impact of CVE-2019-4284

CVSS Score: 4.4 (Medium)
Confidentiality Impact: High
Privileges Required: High
Exploit Code Maturity: Unproven
Attack Vector: Local
Attack Complexity: Low
This vulnerability has been confirmed with the IBM X-Force ID: 160512.

Technical Details of CVE-2019-4284

Vulnerability Description

The vulnerability allows a local privileged user to obtain sensitive OIDC tokens from log files.

Affected Systems and Versions

IBM Cloud Private versions 2.1.0, 3.1.0, 3.1.1, and 3.1.2

Exploitation Mechanism

An attacker with local privileges can access and extract OIDC tokens from log files to gain unauthorized system access.

Mitigation and Prevention

Immediate Steps to Take

Apply the official fix provided by IBM to address the vulnerability.
Monitor and restrict access to log files containing sensitive information.

Long-Term Security Practices

Regularly review and update access control policies for sensitive data.
Conduct security training to educate users on the importance of protecting sensitive information.

Patching and Updates

Stay informed about security bulletins and updates from IBM regarding IBM Cloud Private.