CVE-2021-4142 : Vulnerability Insights and Analysis
Learn about CVE-2021-4142 affecting Candlepin component in Red Hat Satellite. Understand its impact, technical details, and mitigation steps to secure your systems.
The Candlepin component of Red Hat Satellite was affected by an improper authentication flaw, potentially allowing an attacker to use the SCA (simple content access) certificate for authentication with Candlepin.
Understanding CVE-2021-4142
This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-4142.
What is CVE-2021-4142?
CVE-2021-4142 is a vulnerability in the Candlepin component of Red Hat Satellite that allows for an improper authentication bypass through user-controlled key, leading to a CWE-639 and CWE-287 flaw.
The Impact of CVE-2021-4142
The vulnerability could be exploited by an attacker to authenticate with Candlepin using the SCA certificate, potentially leading to unauthorized access and malicious activities.
Technical Details of CVE-2021-4142
In this section, we delve into the vulnerability description, affected systems, versions, and exploitation mechanism associated with CVE-2021-4142.
Vulnerability Description
The flaw in the Candlepin component allows for an unauthorized authentication bypass, compromising the security of the system.
Affected Systems and Versions
Versions including v3.1.28-2, v3.2.21-1, v4.1.8-1, and earlier are susceptible to this vulnerability.
Exploitation Mechanism
The vulnerability could be exploited by leveraging the improper authentication mechanism to gain unauthorized access to Candlepin.
Mitigation and Prevention
This section outlines immediate steps to take and long-term security practices to mitigate the risks associated with CVE-2021-4142, along with the importance of patching and updates.
Immediate Steps to Take
Users are advised to update to the latest patched versions provided by Red Hat Satellite immediately to address the vulnerability.
Long-Term Security Practices
Implementing proper authentication protocols, restricting access based on the principle of least privilege, and monitoring system logs for any unauthorized activities can enhance long-term security.
Patching and Updates
Regularly applying security patches and updates from Red Hat Satellite can help prevent potential exploitation of the vulnerability.