CVE-2001-0555 in Siteware
Summary
by MITRE
ScreamingMedia SITEWare versions 2.5 through 3.1 allows a remote attacker to read world-readable files via a .. (dot dot) attack through (1) the SITEWare Editor s Desktop or (2) the template parameter in SWEditServlet.
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Analysis
by VulDB Data Team • 11/12/2024
The vulnerability identified as CVE-2001-0555 represents a critical directory traversal flaw within ScreamingMedia SITEWare versions 2.5 through 3.1. This security weakness stems from inadequate input validation mechanisms that fail to properly sanitize user-supplied parameters before processing file requests. The vulnerability specifically affects two distinct attack vectors within the application's web interface, creating multiple pathways for malicious exploitation. The flaw allows remote attackers to access files that should normally be restricted or protected, potentially exposing sensitive system information, configuration files, or source code that could aid in further compromise of the affected system.
The technical implementation of this vulnerability leverages classic directory traversal techniques using the .. (dot dot) notation to navigate outside of the intended directory structure. When the SITEWare Editor's Desktop component or the SWEditServlet's template parameter processes user input containing directory traversal sequences, the application fails to properly validate or sanitize these inputs. This allows attackers to craft malicious requests that bypass normal access controls and retrieve files from arbitrary locations on the server filesystem. The vulnerability operates at the application layer and requires no special privileges or authentication to exploit, making it particularly dangerous in unsecured environments. According to CWE classification, this represents a CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability, which is a well-documented and frequently exploited weakness in web applications.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can lead to complete system compromise when combined with other attack vectors. An attacker who successfully exploits this vulnerability can access not only world-readable files but potentially sensitive configuration data, database connection strings, or application source code that could reveal additional weaknesses. The vulnerability affects the entire SITEWare application ecosystem, potentially exposing multiple components including web pages, templates, and system configuration files. This type of vulnerability aligns with ATT&CK technique T1213.002: Exploitation for Credential Access, as it can provide attackers with access to files that may contain authentication credentials or other sensitive data. The long-term implications include potential data breaches, system infiltration, and the exposure of intellectual property that could have significant financial and reputational consequences for organizations using affected versions of the software.
Organizations affected by this vulnerability should immediately implement mitigations including input validation and sanitization of all user-supplied parameters, particularly those used in file path construction. The most effective immediate solution involves implementing strict path validation that prevents the use of directory traversal sequences in file access requests. Security patches should be applied to upgrade to versions of SITEWare that address this specific vulnerability, as no effective workarounds exist that can fully mitigate the risk without code-level changes. Network segmentation and access control measures can provide additional protection by limiting exposure to the vulnerable components, while monitoring and logging should be enhanced to detect potential exploitation attempts. The vulnerability demonstrates the critical importance of proper input validation in web applications and serves as a reminder of how seemingly simple flaws can create significant security risks when exploited by malicious actors.