CVE-1999-1130 in Netscape
Summary
by MITRE
Default configuration of the search engine in Netscape Enterprise Server 3.5.1, and possibly other versions, allows remote attackers to read the source of JHTML files by specifying a search command using the HTML-tocrec-demo1.pat pattern file.
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Analysis
by VulDB Data Team • 12/09/2024
The vulnerability described in CVE-1999-1130 represents a critical information disclosure flaw within the Netscape Enterprise Server 3.5.1 search engine functionality. This issue stems from the default configuration of the server's search capabilities, which were designed to process pattern files for generating table of contents and search results. The vulnerability specifically affects the handling of JHTML files, which are HTML files that contain server-side includes and dynamic content processing directives. When the search engine processes requests using the HTML-tocrec-demo1.pat pattern file, it inadvertently exposes the source code of JHTML files to remote attackers who can access them through crafted search commands.
The technical exploitation of this vulnerability occurs through the improper handling of pattern file references within the server's search functionality. The HTML-tocrec-demo1.pat pattern file serves as a template for generating search results and table of contents, but when combined with specific search commands, it allows attackers to bypass normal access controls and retrieve the raw source code of JHTML files. This flaw operates at the application layer and leverages the server's default configuration settings, which were not properly secured against malicious input manipulation. The vulnerability is particularly concerning because it allows attackers to obtain sensitive server-side code that may contain database connection strings, authentication credentials, or other proprietary information that should remain hidden from external users.
The operational impact of this vulnerability extends beyond simple information disclosure, as the exposed JHTML source code could contain sensitive implementation details that aid in further exploitation attempts. Attackers can use the retrieved source code to understand the server's internal structure, identify potential additional vulnerabilities, and develop more sophisticated attack vectors. This vulnerability aligns with CWE-200, which addresses information exposure, and represents a classic case of insufficient access control in web server implementations. The attack pattern follows the reconnaissance phase of the kill chain as outlined in the ATT&CK framework, where adversaries gather intelligence about target systems before attempting more invasive operations.
The vulnerability exists due to inadequate input validation and insufficient sanitization of search parameters within the Netscape Enterprise Server's search engine. Default configurations should never expose sensitive functionality to external users without proper access controls, yet this implementation failed to properly isolate the pattern file processing from public search interfaces. Organizations using this server version would be at risk of having their server-side code exposed, potentially leading to complete system compromise if the exposed code contains sensitive information or reveals implementation flaws that can be exploited for privilege escalation or other attacks. The vulnerability demonstrates the critical importance of securing default server configurations and implementing proper access controls for all server-side processing functions.