CVE-2020-4665 : What You Need to Know
Learn about CVE-2020-4665 affecting IBM Sterling File Gateway versions 2.2.0.0 through 2.2.6.5 and 6.0.0.0 through 6.0.3.2. Understand the impact, technical details, and mitigation steps.
IBM Sterling File Gateway versions 2.2.0.0 through 2.2.6.5 and 6.0.0.0 through 6.0.3.2 are affected by a vulnerability that allows attackers to obtain cookie values. This CVE was published on November 13, 2020, with a CVSS base score of 4.3.
Understanding CVE-2020-4665
This CVE impacts IBM Sterling File Gateway versions 2.2.0.0 through 2.2.6.5 and 6.0.0.0 through 6.0.3.2 by exposing authorization tokens and session cookies.
What is CVE-2020-4665?
IBM Sterling File Gateway fails to set the secure attribute on authorization tokens or session cookies, enabling attackers to intercept cookie values through insecure links.
The Impact of CVE-2020-4665
- CVSS Base Score: 4.3 (Medium)
- Attack Vector: Network
- Attack Complexity: Low
- Confidentiality Impact: Low
- Integrity Impact: None
- Availability Impact: None
- User Interaction: Required
- Exploit Code Maturity: Unproven
- Remediation Level: Official Fix
- Report Confidence: Confirmed
Technical Details of CVE-2020-4665
IBM Sterling File Gateway vulnerability details and affected systems.
Vulnerability Description
The vulnerability allows attackers to obtain cookie values by exploiting the lack of secure attribute settings on authorization tokens and session cookies.
Affected Systems and Versions
- IBM Sterling File Gateway 2.2.0.0 through 2.2.6.5
- IBM Sterling File Gateway 6.0.0.0 through 6.0.3.2
Exploitation Mechanism
Attackers can acquire cookie values by sending HTTP links to users or embedding links in visited sites, intercepting the cookies sent to insecure links.
Mitigation and Prevention
Protecting systems from CVE-2020-4665 and enhancing security measures.
Immediate Steps to Take
- Apply official fixes provided by IBM
- Monitor network traffic for any suspicious activities
- Educate users on safe browsing practices
Long-Term Security Practices
- Implement HTTPS and secure cookie attributes
- Regularly update and patch IBM Sterling File Gateway
Patching and Updates
Ensure timely installation of security patches and updates to mitigate the vulnerability.