Supershell Default Login Scanner

Supershell is a web management platform commonly used by IT administrators and developers to streamline the integration of reverse SSH services. This tool is invaluable in environments that require remote server access, offering a simplified GUI to manage and deploy SSH tunnels. Organizations often employ Supershell for secure management of remote infrastructures, making it popular among enterprises and medium-sized businesses. Its deployment is particularly common in managed service environments where multiple client systems are administered. Supershell integrates critical functionalities for facilitating secure and efficient connections across a myriad of network configurations. This platform thus holds significance for industries where remote technology services are paramount.

The login vulnerability in Supershell refers to the use of default credentials, which remains a critical security threat in tech environments. When a system allows access through known default usernames and passwords, unauthorized users can potentially exploit this weakness to gain administrative access. This type of vulnerability highlights the overlooked practice of leaving systems at their default settings which are widely known and can be easily exploited. Consequently, systems that do not enforce credential changes upon deployment are at increased risk. The detection of such vulnerabilities is crucial, as it can lead to exposing sensitive data and system functionalities. Addressing this issue promptly is vital to ensure robust security controls are in place.

Technical inspection reveals that Supershell is vulnerable at the login endpoint where the authentication process can be completed using default credentials like "tdragon6". The system responds with a success code and generates a session token upon completion of the default login. This compromise stems from the HTTP POST request to "/supershell/login/auth" which is susceptible if default user credentials remain unchanged. The effective matchers return a positive upon receiving an HTTP 200 status code without the word "failed" in the response body. Furthermore, validation is done if the response headers contain a token, which also confirms successful authentication. Such endpoints must be secured to prevent exploitation.

Misuse of this vulnerability by attackers can lead to unauthorized access and control over the systems running Supershell. Compromised accounts can give malicious users the capability to deploy harmful scripts, change configurations, and exfiltrate confidential data. This can result in entire networks being open to attacks, data breaches, and a significant loss of reputation and financial stability for the affected organization. An attacker leveraging the default login can act as a legitimate user, making it challenging for security systems to detect anomalous activities. The longer the window of vulnerability, the higher the risk of a successful exploit causing irreversible damage.

REFERENCES

• https://github.com/tdragon6/Supershell
• https://www.ctfiot.com/129689.html