CVE-2000-1075 in Directory Server
Summary
by MITRE
Directory traversal vulnerability in iPlanet Certificate Management System 4.2 and Directory Server 4.12 allows remote attackers to read arbitrary files via a .. (dot dot) attack in the Agent, End Entity, or Administrator services.
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Analysis
by VulDB Data Team • 05/04/2025
The CVE-2000-1075 vulnerability represents a critical directory traversal flaw within the iPlanet Certificate Management System version 4.2 and Directory Server version 4.12 developed by Netscape. This vulnerability specifically affects the Agent, End Entity, and Administrator services of these components, creating a significant security risk for organizations relying on these systems for certificate management and directory services. The flaw stems from inadequate input validation mechanisms that fail to properly sanitize user-supplied data before processing file system requests, allowing malicious actors to manipulate path resolution through crafted requests containing directory traversal sequences.
The technical implementation of this vulnerability exploits the fundamental weakness in how the affected systems handle file path resolution. When users submit requests containing .. (dot dot) sequences through the vulnerable services, the application fails to properly validate or sanitize these inputs before using them in file system operations. This allows attackers to traverse up the directory hierarchy and access files that should normally be restricted to authorized users only. The vulnerability specifically targets the Agent, End Entity, and Administrator services, which are critical components of the certificate management infrastructure, making the impact particularly severe for organizations managing digital certificates and identity services.
Operationally, this vulnerability creates a severe risk landscape for affected organizations as it enables remote attackers to access sensitive system files, configuration data, and potentially confidential certificate information without authentication. The attack vector is particularly dangerous because it can be executed remotely over the network, eliminating the need for physical access or local privileges. Attackers could potentially access private keys, certificate data, system configuration files, and other sensitive information stored within the directory structure. The implications extend beyond simple information disclosure, as the compromise of certificate management systems can lead to widespread trust violations and potential man-in-the-middle attacks against affected services.
The vulnerability aligns with CWE-22, which categorizes directory traversal attacks as a common weakness in software design that allows attackers to access files outside of intended directories. From an adversarial perspective, this flaw maps directly to several ATT&CK techniques including T1083 (File and Directory Discovery) and T1566 (Phishing for Information), as attackers can systematically enumerate and extract sensitive data from the compromised systems. Organizations implementing these vulnerable systems face significant risk of credential theft, certificate compromise, and potential lateral movement within their networks, as the compromised certificate management infrastructure can serve as a foothold for broader attacks.
Mitigation strategies for CVE-2000-1075 require immediate action including applying vendor patches or updates to the iPlanet Certificate Management System and Directory Server components. Organizations should implement network segmentation to restrict access to these services to only trusted administrative networks and implement strict input validation controls at all service interfaces. Additional defensive measures include configuring proper access controls, monitoring for unusual file access patterns, and implementing network-based intrusion detection systems to identify potential exploitation attempts. System administrators should also consider disabling unnecessary services and implementing principle of least privilege access controls to minimize the potential impact of successful exploitation attempts. The vulnerability underscores the critical importance of input validation and proper path handling in security-critical applications, particularly in certificate management and directory services where trust and access control are paramount.