CVE-2021-42568 : Security Advisory and Response
Learn about CVE-2021-42568 impacting Sonatype Nexus Repository Manager 3.x through 3.35.0, allowing unauthorized access to SSL Certificates Loading function. Find mitigation steps and long-term security practices.
Sonatype Nexus Repository Manager 3.x through 3.35.0 allows attackers to access the SSL Certificates Loading function via a low-privileged account.
Understanding CVE-2021-42568
What is CVE-2021-42568?
Sonatype Nexus Repository Manager 3.x through 3.35.0 is vulnerable to unauthorized access to the SSL Certificates Loading function by malicious actors using low-privileged accounts.
The Impact of CVE-2021-42568
This vulnerability could lead to unauthorized access to SSL certificates, potentially compromising the confidentiality and integrity of SSL-encrypted communication within affected systems.
Technical Details of CVE-2021-42568
Vulnerability Description
The vulnerability in Sonatype Nexus Repository Manager 3.x through 3.35.0 allows attackers with low-privileged accounts to access the SSL Certificates Loading function, enabling unauthorized retrieval of SSL certificates.
Affected Systems and Versions
- Product: Sonatype Nexus Repository Manager 3.x through 3.35.0
- Vendor: Sonatype
- Version: All versions within the specified range
Exploitation Mechanism
Attackers exploit this vulnerability by leveraging the low-privileged account access to perform unauthorized actions, specifically accessing SSL certificates loading function.
Mitigation and Prevention
Immediate Steps to Take
- Monitor and restrict access to the SSL Certificates Loading function within Sonatype Nexus Repository Manager to authorized and trusted personnel only.
- Implement strong password policies, multi-factor authentication, and regular security audits to enhance access control mechanisms.
Long-Term Security Practices
- Stay informed about security updates and patches released by Sonatype for the Nexus Repository Manager.
- Conduct regular security assessments and penetration testing to identify and address potential vulnerabilities proactively.
- Educate users on security best practices to prevent unauthorized access and maintain the confidentiality of SSL certificates.
- Consider implementing additional security layers, such as network segmentation and intrusion detection systems.
Patching and Updates
Ensure timely application of security patches and updates provided by Sonatype to mitigate the CVE-2021-42568 vulnerability effectively.