CVE-2019-4008 : Security Advisory and Response
Learn about CVE-2019-4008 affecting IBM API Connect versions 2018.1 to 2018.4.1.1. Discover the impact, technical details, and mitigation steps for this critical access token leak vulnerability.
API Connect versions 2018.1 to 2018.4.1.1 are affected by an access token leak vulnerability that could lead to the inadvertent logging of authorization tokens in log files.
Understanding CVE-2019-4008
This CVE involves a critical vulnerability in IBM's API Connect software.
What is CVE-2019-4008?
CVE-2019-4008 is an access token leak vulnerability affecting API Connect versions 2018.1 to 2018.4.1.1. It occurs when authorization tokens are included in specific URLs, resulting in the tokens being logged unintentionally in log files.
The Impact of CVE-2019-4008
The vulnerability has a CVSS base score of 9, indicating a critical severity level. It poses a high risk to confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2019-4008
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The access token leak vulnerability in API Connect versions 2018.1 to 2018.4.1.1 allows authorization tokens to be logged in log files inadvertently, potentially exposing sensitive information.
Affected Systems and Versions
- Product: API Connect
- Vendor: IBM
- Affected Versions: 2018.1, 2018.4.1.1
Exploitation Mechanism
The vulnerability occurs when authorization tokens are included in specific URLs, leading to the tokens being written to log files, compromising security.
Mitigation and Prevention
Protecting systems from CVE-2019-4008 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update API Connect to a patched version that addresses the access token leak.
- Monitor log files for any signs of unauthorized access or token exposure.
Long-Term Security Practices
- Implement secure coding practices to prevent similar vulnerabilities in the future.
- Conduct regular security audits and penetration testing to identify and address potential security gaps.
Patching and Updates
- Apply official fixes provided by IBM to mitigate the vulnerability and prevent unauthorized access.