CVE-2019-4688 : Security Advisory and Response
Learn about CVE-2019-4688 affecting IBM Security Guardium Data Encryption 3.0.0.2. Attackers can intercept cookie values, posing a risk of unauthorized access. Find mitigation steps here.
IBM Security Guardium Data Encryption (GDE) 3.0.0.2 is affected by a vulnerability where the secure attribute is not enabled for authorization tokens and session cookies. Attackers can exploit this to acquire cookie values, leading to potential interception of sensitive information.
Understanding CVE-2019-4688
This CVE involves a security issue in IBM Security Guardium Data Encryption (GDE) 3.0.0.2 that could allow attackers to intercept cookie values.
What is CVE-2019-4688?
CVE-2019-4688 is a vulnerability in IBM Security Guardium Data Encryption (GDE) 3.0.0.2 that arises from the absence of the secure attribute for authorization tokens and session cookies.
The Impact of CVE-2019-4688
- Attackers can obtain cookie values by sending malicious links or embedding them in websites visited by users.
- This vulnerability enables interception of sensitive cookie data, potentially leading to unauthorized access.
Technical Details of CVE-2019-4688
This section provides detailed technical information about the CVE-2019-4688 vulnerability.
Vulnerability Description
- The secure attribute is not set for authorization tokens and session cookies in IBM Security Guardium Data Encryption (GDE) 3.0.0.2.
- Attackers can exploit this by sending links containing "http://" to users or embedding them in visited websites.
Affected Systems and Versions
- Product: Security Guardium Data Encryption
- Vendor: IBM
- Version: 3.0.0.2
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Network
- Confidentiality Impact: Low
- Integrity Impact: None
- Privileges Required: None
- Exploit Code Maturity: Unproven
Mitigation and Prevention
Protecting systems from CVE-2019-4688 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply official fixes provided by IBM to address the vulnerability.
- Educate users about the risks of clicking on suspicious links.
Long-Term Security Practices
- Implement secure cookie practices to prevent data interception.
- Regularly update and patch systems to mitigate potential vulnerabilities.
Patching and Updates
- Ensure that the affected IBM Security Guardium Data Encryption version 3.0.0.2 is updated with the official fix to secure authorization tokens and session cookies.