WebLogic Default Login Scanner

WebLogic is a Java EE application server currently developed by Oracle Corporation. It is widely used by businesses to build and deploy enterprise-grade applications and services. Organizations often rely on its robust platform for scalability and performance. The software can handle complex transactions and data processing, making it suitable for large-scale deployment. However, frequent updates and meticulous configuration are necessary to ensure security, given its frequent use in sensitive environments. WebLogic supports a variety of standard and custom protocols, allowing integration across diverse systems and platforms.

The vulnerability being addressed is the potential presence of default login credentials in WebLogic installations. Default credentials pose a significant risk as they are well-known and often the first attack vector exploited by malicious actors. If a system is using default credentials, unauthorized access can be gained easily. This vulnerability is prevalent in systems where security hardening procedures, such as changing default passwords, have not been adequately enforced. As WebLogic is used in critical operations, the presence of default credentials can lead to extensive exploitation.

Technically, the vulnerability involves attempting to access the WebLogic management console with a set of default username and password combinations. The vulnerable endpoints include HTTP requests to "/console/" and authentication is attempted via POST requests to "/console/j_security_check". Specific vulnerabilities such as "ADMINCONSOLESESSION" in the HTTP header and the presence of 302 redirection indicate successful unauthorized attempts. The susceptibility is high if the matchers detect the default credentials are in use.

If exploited, this vulnerability can lead to unauthorized administrative access, potentially allowing an attacker to perform arbitrary operations on the application server. It can lead to data breaches, loss of integrity, and denial of service. An attacker with admin access can install malicious software, alter configurations, or steal sensitive information. Such exploitation can harm both the organization and its customers, resulting in financial losses and reputational damage. In the worst-case scenario, this could also lead to regulatory penalties due to non-compliance with data protection laws.

REFERENCES

• https://github.com/vulhub/vulhub/tree/master/weblogic/weak_password
• https://www.s-squaresystems.com/weblogic-default-admin-users-password-change/