CVE-2019-4743 : Security Advisory and Response
Learn about CVE-2019-4743 affecting IBM Financial Transaction Manager 3.0. Attackers can intercept cookie values due to unsecured links. Find mitigation steps and preventive measures here.
IBM Financial Transaction Manager 3.0 is affected by a vulnerability where the secure attribute is not enabled for authorization tokens or session cookies, potentially allowing attackers to intercept cookie values.
Understanding CVE-2019-4743
IBM Financial Transaction Manager 3.0 vulnerability with unsecured authorization tokens and session cookies.
What is CVE-2019-4743?
The vulnerability in IBM Financial Transaction Manager 3.0 allows attackers to acquire cookie values by exploiting unsecured links.
The Impact of CVE-2019-4743
- Attackers can intercept and retrieve cookie values by monitoring network traffic.
- Confidentiality impact is low, with a base severity rating of MEDIUM.
Technical Details of CVE-2019-4743
Details of the vulnerability in IBM Financial Transaction Manager 3.0.
Vulnerability Description
- The secure attribute is not set on authorization tokens or session cookies.
- Attackers can obtain cookie values by sending or embedding links.
Affected Systems and Versions
- Product: Financial Transaction Manager
- Vendor: IBM
- Version: 3.0
Exploitation Mechanism
- Attack Complexity: LOW
- Attack Vector: NETWORK
- User Interaction: REQUIRED
- Exploit Code Maturity: UNPROVEN
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2019-4743 vulnerability.
Immediate Steps to Take
- Enable the secure attribute for authorization tokens and session cookies.
- Educate users about clicking on unknown links.
Long-Term Security Practices
- Regularly monitor and update security protocols.
- Implement secure coding practices to prevent similar vulnerabilities.
Patching and Updates
- Apply official fixes provided by IBM to address the vulnerability.