CVE-2000-0835 in Server
Summary
by MITRE
search.dll Sambar ISAPI Search utility in Sambar Server 4.4 Beta 3 allows remote attackers to read arbitrary directories by specifying the directory in the query parameter.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 10/12/2025
The vulnerability identified as CVE-2000-0835 resides within the search.dll component of Sambar Server 4.4 Beta 3, which functions as an ISAPI search utility. This flaw represents a classic directory traversal vulnerability that enables remote attackers to access arbitrary directories on the affected system through manipulation of the query parameter. The issue stems from insufficient input validation and sanitization within the search functionality, allowing malicious users to craft specific requests that bypass normal file access controls. This vulnerability falls under the CWE-22 category of Improper Limitation of a Pathname to a Restricted Directory, commonly known as path traversal or directory traversal attacks.
The technical exploitation of this vulnerability occurs when an attacker submits a specially crafted query parameter to the Sambar Server search functionality. The search.dll module processes this input without proper validation, allowing directory traversal sequences such as ../ or ..\ to be interpreted by the underlying file system. When the search utility attempts to resolve these paths, it accesses directories beyond the intended scope, potentially exposing sensitive system files, configuration data, or user information. The vulnerability specifically affects the ISAPI extension interface, which means the attack can be executed through web-based interfaces that utilize the Sambar Server's search capabilities. This type of attack aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1566 (Phishing with Malicious Attachments) when combined with other attack vectors.
The operational impact of this vulnerability is significant as it provides unauthorized access to potentially sensitive data stored on the server. Attackers can traverse directories to access configuration files, database files, user credentials, or other confidential information that should remain protected. The vulnerability affects the confidentiality aspect of the CIA triad, as it allows data disclosure without proper authentication or authorization. Depending on the server configuration and the files accessible through directory traversal, attackers might gain access to system binaries, application source code, or user databases. The exposure of system files could potentially lead to further exploitation opportunities, including privilege escalation or system compromise. Additionally, the vulnerability may affect the integrity of the system if attackers can modify files through the traversal mechanism, though the primary impact is information disclosure.
Mitigation strategies for CVE-2000-0835 should focus on input validation and proper path handling within the search functionality. The most effective immediate solution involves implementing strict input sanitization to prevent directory traversal sequences from being processed by the search utility. This includes filtering out special characters such as ../, ..\, and other path traversal indicators from user-supplied query parameters. Organizations should also consider implementing proper access controls and file system permissions to limit what files can be accessed through the search functionality. The SAMBAR server should be updated to a patched version that addresses this vulnerability, as the original 4.4 Beta 3 release contains known security flaws. Network segmentation and firewall rules can also provide additional protection by limiting access to the affected search functionality. From a defensive perspective, implementing web application firewalls and intrusion detection systems can help detect and prevent exploitation attempts targeting this specific vulnerability. The remediation approach should also include regular security assessments of web applications and server configurations to identify similar path traversal vulnerabilities that may exist in other components of the system infrastructure.