CVE-2021-29769 : Exploit Details and Defense Strategies

IBM i2 Analyst's Notebook Premium (IBM i2 Analyze 4.3.0, 4.3.1, and 4.3.2) is affected by CVE-2021-29769, which exposes a vulnerability where authorization tokens or session cookies do not have the secure attribute set. This could allow attackers to obtain cookie values through malicious links.

Understanding CVE-2021-29769

This section will provide an overview of the vulnerability and its impact.

What is CVE-2021-29769?

The vulnerability in IBM i2 Analyze versions 4.3.0, 4.3.1, and 4.3.2 results from the failure to set the secure attribute on authorization tokens or session cookies, making it easier for attackers to intercept sensitive information.

The Impact of CVE-2021-29769

With a CVSS base score of 3.1, this low-severity vulnerability requires user interaction for exploitation. Attackers could potentially access cookie values, compromising user data and privacy.

Technical Details of CVE-2021-29769

This section will delve into specific technical aspects of the vulnerability.

Vulnerability Description

Attackers can exploit the lack of secure attribute on authorization tokens or session cookies to intercept cookie values and carry out attacks by sending malicious links to users.

Affected Systems and Versions

IBM i2 Analyze versions 4.3.0, 4.3.1, and 4.3.2 are affected by this vulnerability, leaving them susceptible to unauthorized access.

Exploitation Mechanism

The vulnerability can be exploited when users unknowingly access malicious links that prompt the transmission of cookie values to attackers, enabling data interception.

Mitigation and Prevention

This section will outline strategies to mitigate the risks posed by CVE-2021-29769.

Immediate Steps to Take

Users and administrators should update to a patched version, apply necessary security configurations, and avoid clicking on suspicious links to prevent cookie theft.

Long-Term Security Practices

Implementing secure coding practices, regularly updating systems, and educating users on safe browsing habits can help prevent similar vulnerabilities in the future.

Patching and Updates

IBM has released an official fix for the vulnerability. Users are advised to update their systems promptly to prevent exploitation.