CVE-2020-15850 : What You Need to Know

Nakivo Backup & Replication Director version 9.4.0.r43656 on Linux has insecure permissions that allow local users to gain root privileges through the web interface.

Understanding CVE-2020-15850

This CVE involves a vulnerability in Nakivo Backup & Replication Director version 9.4.0.r43656 on Linux that enables unauthorized access and privilege escalation.

What is CVE-2020-15850?

The vulnerability in Nakivo Backup & Replication Director version 9.4.0.r43656 on Linux allows local users to access the web interface and potentially gain root privileges due to insecure permissions.

The Impact of CVE-2020-15850

The impact of this vulnerability is significant as it exposes sensitive data and allows unauthorized users to escalate their privileges, potentially leading to further exploitation of the system.

Technical Details of CVE-2020-15850

This section provides more technical insights into the vulnerability.

Vulnerability Description

The insecure permissions in Nakivo Backup & Replication Director version 9.4.0.r43656 on Linux enable local users to access the web interface and obtain root privileges by reading the database containing user information and password-recovery secrets.

Affected Systems and Versions

Affected System: Nakivo Backup & Replication Director version 9.4.0.r43656 on Linux
Affected Version: 9.4.0.r43656

Exploitation Mechanism

The vulnerability is exploited by local users who can read the database storing user details and password-recovery secrets, allowing them to gain unauthorized access and root privileges.

Mitigation and Prevention

Protecting systems from CVE-2020-15850 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Nakivo Backup & Replication Director to a secure version that addresses the vulnerability.
Restrict access to the web interface to authorized users only.
Monitor and audit user activities to detect any unauthorized access.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access rights.
Regularly review and update permissions to ensure only necessary access is granted.
Conduct security training for users to raise awareness of best practices and potential risks.

Patching and Updates

Stay informed about security updates and patches released by Nakivo for the Backup & Replication Director software.
Promptly apply patches to eliminate vulnerabilities and enhance system security.