Learn about CVE-2021-38977 impacting IBM Tivoli Key Lifecycle Manager versions 3.0, 3.0.1, 4.0, and 4.1. Understand the vulnerability, its impact, affected systems, and mitigation steps.
IBM Tivoli Key Lifecycle Manager versions 3.0, 3.0.1, 4.0, and 4.1 are impacted by a vulnerability that allows attackers to obtain cookie values by exploiting insecure links. Here's what you need to know.
Understanding CVE-2021-38977
This section will cover the details of CVE-2021-38977.
What is CVE-2021-38977?
IBM Tivoli Key Lifecycle Manager versions 3.0, 3.0.1, 4.0, and 4.1 lack the secure attribute on authorization tokens or session cookies, enabling attackers to intercept cookie values.
The Impact of CVE-2021-38977
The vulnerability poses a low severity risk, with confidentiality impact rated as low. The attack complexity is high, requiring user interaction and a network vector.
Technical Details of CVE-2021-38977
Let's explore the technical aspects of CVE-2021-38977.
Vulnerability Description
The issue arises from the failure to set the secure attribute on key lifecycle manager cookies, leading to potential leakage of sensitive information.
Affected Systems and Versions
Security Key Lifecycle Manager versions 3.0, 3.0.1, 4.0, 3.0.0.4, 3.0.1.5, 4.0.0.3, 4.1, 4.1.0.1, and 4.1.1 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending an HTTP link to a user or planting the link in a visited site to intercept cookie values.
Mitigation and Prevention
Discover how to mitigate the risks associated with CVE-2021-38977.
Immediate Steps to Take
Users should be cautious of clicking on unknown links and ensure secure browsing practices to minimize the risk of cookie interception.
Long-Term Security Practices
Implementing secure coding practices, regular security audits, and employee training can enhance overall system security.
Patching and Updates
IBM has provided an official fix for the vulnerability in affected versions. Users are advised to update to the latest patched versions as soon as possible.