CVE-2005-3752 in ldapdiff
Summary
by MITRE
Unspecified vulnerability in ldapdiff before 1.1.1 has unknown impact and attack vectors, related to "ldapdiff.conf path construction".
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Analysis
by VulDB Data Team • 07/13/2018
The vulnerability identified as CVE-2005-3752 affects the ldapdiff utility version 1.1.0 and earlier, specifically concerning the construction of the ldapdiff.conf file path. This issue falls under the broader category of path traversal and configuration file handling vulnerabilities that can potentially lead to unauthorized access or arbitrary code execution. The unspecified nature of the impact and attack vectors suggests that the vulnerability may have multiple exploitation pathways or that the full scope of the issue was not fully documented at the time of reporting. The ldapdiff utility is commonly used for comparing ldap directory entries and generating ldif files for synchronization purposes, making it an integral component in directory service management and replication processes.
The technical flaw in this vulnerability stems from improper handling of the ldapdiff.conf file path construction within the ldapdiff utility. When the utility processes configuration files, it fails to properly validate or sanitize the path specification, potentially allowing attackers to manipulate the path resolution mechanism. This type of vulnerability is categorized under CWE-22 Path Traversal and CWE-77 Path Traversal, which are well-documented weaknesses in software that handle file paths. The vulnerability enables attackers to potentially access or modify configuration files in unexpected locations, or even execute code through manipulation of the path construction logic. The issue represents a classic example of insufficient input validation where user-supplied path information is directly incorporated into file operations without proper sanitization or verification.
The operational impact of this vulnerability extends beyond simple configuration file manipulation to potentially compromise entire directory service infrastructures. Organizations relying on ldapdiff for directory synchronization and management may face significant security risks if attackers exploit this vulnerability, particularly in environments where ldapdiff is used with elevated privileges or in automated processes. The attack vectors could include local privilege escalation scenarios where attackers manipulate the configuration file path to inject malicious content, or remote exploitation if the utility is exposed through network services. This vulnerability particularly affects environments with centralized directory services such as those using openldap or other ldap implementations, where ldapdiff is frequently employed for maintaining directory consistency and synchronization across multiple servers.
Mitigation strategies for this vulnerability should focus on immediate patching of the ldapdiff utility to version 1.1.1 or later, which contains the necessary fixes for the path construction issue. System administrators should also implement proper access controls and file permission settings for ldapdiff.conf files to prevent unauthorized modification. Additionally, organizations should conduct thorough security assessments of their ldap directory services to identify any potential exploitation attempts. The remediation process should include monitoring for unusual file access patterns and implementing proper input validation mechanisms for all path-related operations. Security professionals should also consider implementing network segmentation and access controls to limit exposure of ldapdiff utilities to unauthorized users, aligning with the principle of least privilege as outlined in various cybersecurity frameworks and standards.