CVE-2020-11679 : Exploit Details and Defense Strategies

Castel NextGen DVR v1.0.0 is vulnerable to privilege escalation through the Adminstrator/Users/Edit/:UserId functionality, allowing normal users to elevate their privileges.

Understanding CVE-2020-11679

Castel NextGen DVR v1.0.0 is susceptible to a privilege escalation vulnerability that enables unauthorized users to gain additional roles.

What is CVE-2020-11679?

The vulnerability in Castel NextGen DVR v1.0.0 allows regular users to escalate their privileges by manipulating the Adminstrator/Users/Edit/:UserId feature.

The Impact of CVE-2020-11679

The vulnerability permits unauthorized users to enhance their account privileges by adding extra roles, potentially compromising system security.

Technical Details of CVE-2020-11679

Castel NextGen DVR v1.0.0 vulnerability details and affected systems.

Vulnerability Description

Privilege escalation vulnerability in Castel NextGen DVR v1.0.0 through Adminstrator/Users/Edit/:UserId functionality.
Lack of validation allows normal users to increase their privileges by adding roles.

Affected Systems and Versions

Product: Castel NextGen DVR v1.0.0
Vendor: N/A
Version: N/A

Exploitation Mechanism

Exploitation involves manipulating the Adminstrator/Users/Edit/:UserId functionality to bypass privilege checks.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2020-11679 vulnerability.

Immediate Steps to Take

Disable or restrict access to the Adminstrator/Users/Edit/:UserId functionality.
Regularly monitor user roles and privileges to detect unauthorized changes.

Long-Term Security Practices

Implement role-based access control (RBAC) to limit user privileges.
Conduct regular security audits and penetration testing to identify vulnerabilities.

Patching and Updates

Apply patches or updates provided by the vendor to address the privilege escalation issue.