CVE-2020-4528 : Security Advisory and Response
Learn about CVE-2020-4528 affecting IBM DataPower Gateway versions 10.0.0.0 and 2018.4.1.0 through 2018.4.1.12, allowing unauthorized access to sensitive information from log files.
IBM MQ Appliance (IBM DataPower Gateway) versions 10.0.0.0 and 2018.4.1.0 through 2018.4.1.12 are affected by a vulnerability that could allow a local user to access highly sensitive information from log files.
Understanding CVE-2020-4528
IBM MQ Appliance (IBM DataPower Gateway) is susceptible to a security issue that may lead to unauthorized access to critical data.
What is CVE-2020-4528?
CVE-2020-4528 is a vulnerability in IBM DataPower Gateway that enables a local user to extract highly sensitive information from log files under specific conditions.
The Impact of CVE-2020-4528
The vulnerability poses a medium severity risk with a CVSS base score of 5.9, allowing unauthorized access to confidential data stored in log files.
Technical Details of CVE-2020-4528
IBM DataPower Gateway's vulnerability details and affected systems.
Vulnerability Description
- Affected Versions: 10.0.0.0, 2018.4.1.0 - 2018.4.1.12
- Vulnerability Type: Information Disclosure
- Attack Vector: Local
- Confidentiality Impact: High
- Exploit Code Maturity: Unproven
Affected Systems and Versions
The following versions of IBM DataPower Gateway are impacted:
- DataPower Gateway 2018.4.1.0
- DataPower Gateway 2018.4.1.12
- DataPower Gateway 10.0.0.0
Exploitation Mechanism
The vulnerability allows a local user to access sensitive information from log files, potentially leading to data breaches or unauthorized data exposure.
Mitigation and Prevention
Steps to mitigate and prevent the exploitation of CVE-2020-4528.
Immediate Steps to Take
- Apply the official fix provided by IBM to address the vulnerability.
- Monitor log files for any unauthorized access or suspicious activities.
Long-Term Security Practices
- Regularly update and patch IBM DataPower Gateway to the latest secure versions.
- Implement access controls and monitoring mechanisms to prevent unauthorized access to log files.
Patching and Updates
- IBM has released an official fix to address the vulnerability in affected versions of DataPower Gateway.