CVE-2020-4749 : Exploit Details and Defense Strategies

IBM Spectrum Scale versions 5.0.0 through 5.0.5.2 are vulnerable to an information disclosure issue due to the lack of setting the secure attribute on authorization tokens or session cookies.

Understanding CVE-2020-4749

This CVE involves a security vulnerability in IBM Spectrum Scale that could allow attackers to obtain sensitive cookie values.

What is CVE-2020-4749?

IBM Spectrum Scale 5.0.0 through 5.0.5.2 fails to set the secure attribute on authorization tokens or session cookies, potentially enabling attackers to intercept cookie values.

The Impact of CVE-2020-4749

The vulnerability poses a medium severity risk, with a CVSS base score of 4.3, allowing attackers to potentially access sensitive information.

Technical Details of CVE-2020-4749

This section delves into the specifics of the vulnerability.

Vulnerability Description

The issue in IBM Spectrum Scale allows attackers to obtain cookie values by manipulating HTTP links, leading to potential information disclosure.

Affected Systems and Versions

Product: IBM Spectrum Scale
Versions: 5.0.0, 5.0.5.2

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
User Interaction: Required
Exploit Code Maturity: Unproven

Mitigation and Prevention

Protecting systems from CVE-2020-4749 requires immediate actions and long-term security measures.

Immediate Steps to Take

Monitor network traffic for any suspicious activity related to cookie interception.
Implement secure cookie practices to mitigate the risk of information disclosure.

Long-Term Security Practices

Conduct regular security audits to identify and address potential vulnerabilities.
Educate users on safe browsing practices to prevent cookie-based attacks.

Patching and Updates

Apply official fixes provided by IBM to address the vulnerability and enhance system security.