CVE-2000-0869 in HTTP Server
Summary
by MITRE
The default configuration of Apache 1.3.12 in SuSE Linux 6.4 enables WebDAV, which allows remote attackers to list arbitrary diretories via the PROPFIND HTTP request method.
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Analysis
by VulDB Data Team • 12/08/2024
The vulnerability described in CVE-2000-0869 represents a critical security flaw in the default Apache web server configuration within SuSE Linux 6.4 operating system. This issue stems from the improper default settings that activate WebDAV functionality without adequate security considerations. WebDAV or Web Distributed Authoring and Versioning is a set of extensions to the HTTP protocol that allows users to collaboratively edit and manage files on remote web servers. The default configuration of Apache 1.3.12 in this specific Linux distribution enabled this functionality, creating an unexpected attack vector for malicious actors.
The technical exploitation of this vulnerability occurs through the PROPFIND HTTP request method, which is part of the WebDAV protocol specification. When an attacker sends a PROPFIND request to a vulnerable Apache server, the server responds by listing directory contents that would otherwise be protected from public access. This particular flaw exists because the WebDAV module was loaded and enabled by default without proper access controls or authentication requirements. The vulnerability specifically affects the directory listing functionality, allowing unauthorized users to enumerate files and directories on the web server that should remain hidden from public view.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with valuable reconnaissance data about the server's file structure and potentially sensitive directory layouts. This information can be leveraged for subsequent attacks, including directory traversal exploits, file enumeration for privilege escalation attempts, or targeting specific files that may contain sensitive data or configuration information. The vulnerability affects any system running the affected Apache version with the default WebDAV configuration, making it particularly dangerous in environments where administrators may not be aware of the enabled features or their security implications.
Security professionals should note that this vulnerability aligns with CWE-200, which addresses information exposure, and represents a classic case of insecure default configurations that violate fundamental security principles. The attack pattern corresponds to techniques documented in the ATT&CK framework under Initial Access and Discovery phases, where adversaries attempt to gather information about target systems. Organizations should implement immediate mitigations including disabling the WebDAV module when it's not required, configuring proper access controls for WebDAV functionality, or ensuring that any enabled WebDAV services are properly secured with authentication and authorization mechanisms. The vulnerability underscores the critical importance of reviewing default configurations and ensuring that security is implemented at all levels of system deployment rather than relying solely on default settings that may be inappropriate for production environments.