CVE-2023-0678 Scanner

The product being checked is phpipam, an IP address management application that is used by network administrators and IT professionals to efficiently manage and organize IP addresses within their organizations. It offers features such as IP reservation, subnet management, and network troubleshooting for enterprises and ISPs around the globe. Its open-source nature and comprehensive capabilities make it a popular tool for managing complex IP networks. Users rely on phpipam for ensuring organized and efficient network operations, particularly in large and intricate network infrastructures. By providing dynamic visibility and management features, phpipam minimizes downtime and maximizes the availability of network resources.

The vulnerability detected is a Missing Authorization vulnerability, which could allow an unauthenticated user to access sensitive information within phpipam. In this scenario, the user can gain access to high-usage IP subnets including sensitive data such as subnet descriptions, IP ranges, and usage rates without proper authentication checks. This vulnerability exists due to insufficient authorization checks at specific endpoints within phpipam's codebase, specifically in versions prior to 1.5.1. Exploiting this flaw could provide users with unauthorized visibility into potentially sensitive data used for internal network management purposes. Therefore, addressing this vulnerability is crucial to protect sensitive network infrastructure data from unauthorized access.

The technical aspect of the vulnerability resides in the improper handling of user authorization within specific phpipam scripts. The affected endpoint, 'find_full_subnets.php', fails to implement necessary authorization checks, allowing users to execute the script from a command line or web interface without appropriate permissions. Details such as subnet descriptions and usage statistics, which are generally restricted, become accessible through this vulnerability. The failure in the authorization mechanism lies in overlooking the user's permission when accessing these resources, posing a significant risk for organizations utilizing phpipam. Proper validation and restriction based on user roles should be enforced to mitigate this vulnerability.

When exploited, the Missing Authorization vulnerability can lead to exposure of critical network information to unauthorized entities, potentially resulting in security implications and misuse. Malicious individuals may leverage the disclosed data to map out a network's infrastructure, identifying weak points for further exploitation. Consequently, this exposure could facilitate network reconnaissance and targeted attacks, affecting the integrity and security of the organization's network operations. Unauthorized access risks compromising confidentiality and operational continuity, necessitating prompt remediation to avert potential damages.

REFERENCES

• https://github.com/phpipam/phpipam/commit/1960bd24e8a55796da066237cf11272c44bb1cc4