Apache Tomcat Configuration Disclosure Scanner
This scanner detects the use of Apache Tomcat Configuration Disclosure in digital assets. It identifies exposed servlets in the examples directory of Tomcat, providing insights into potential information leaks.
Short Info
Level
Single Scan
Single Scan
Can be used by
Asset Owner
Estimated Time
10 seconds
Time Interval
13 days 3 hours
Scan only one
URL
Toolbox
Apache Tomcat is a popular open-source implementation of the Java Servlet, JavaServer Pages, and Java Expression Language technologies. It is widely used for running large-scale and mission-critical web applications across various sectors, including finance and e-commerce. Due to its robust and scalable nature, many organizations deploy Tomcat to power their backend systems. System administrators and developers rely on Tomcat for its efficiency and ability to handle numerous concurrent connections. This reliance makes it crucial to keep Tomcat instances secure from potential vulnerabilities. Ensuring secure configurations is a vital part of maintaining Tomcat's operational integrity.
The Configuration Disclosure vulnerability in Apache Tomcat occurs due to the exposure of specific servlets like the Snoop servlet. Such servlets typically reside in the examples directory, unintentionally revealing sensitive server information. Attackers can exploit this vulnerability to gather server details, aiding in further exploitation. This vulnerability underscores the importance of securing example directories in production environments. Addressing this issue involves not deploying unnecessary or outdated servlets on live servers. Effective misconfiguration checks are necessary to prevent exposing critical server data.
Technically, the vulnerability can be detected through requests made to common endpoints found in the Tomcat example directories, such as /examples/jsp/snp/snoop.jsp. The response from this path, if improperly configured, will contain sensitive information like request data, server name, and remote addresses. A typical detection method involves using an HTTP GET request targeting these endpoints. The return of detailed server configuration information in the response indicates a potential vulnerability. This scanner is specifically designed to identify such information exposures to aid in securing Tomcat deployments.
If malicious actors exploit this vulnerability, they can gather critical information about the Tomcat server environment. Such information can be used to plan further attacks, such as targeting administrative interfaces or conducting reconnaissance for more severe exploits. Disclosure of server configurations can also lead to indirect attacks on the systems linked to the Tomcat server. The exposure increases the risk of unauthorized access or data breaches. Organizations might face reputational damage and legal implications if such vulnerabilities lead to data leaks.
REFERENCES
