CVE-2007-2069 in openMairie
Summary
by MITRE
Directory traversal vulnerability in scr/soustab.php in openMairie 1.11 and earlier allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the dsn[phptype] parameter.
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Analysis
by VulDB Data Team • 09/06/2024
The vulnerability identified as CVE-2007-2069 represents a critical directory traversal flaw within the openMairie content management system version 1.11 and earlier. This vulnerability resides in the scr/soustab.php script and specifically affects the dsn[phptype] parameter handling. The flaw enables remote attackers to manipulate file inclusion mechanisms by exploiting the .. (dot dot) sequence, which allows them to navigate directories beyond the intended scope of the application. This directory traversal capability fundamentally undermines the application's file access controls and represents a serious security weakness that can be exploited without authentication.
The technical exploitation of this vulnerability occurs through the manipulation of the dsn[phptype] parameter which is processed without proper input validation or sanitization. When an attacker submits a malicious payload containing directory traversal sequences such as ../../ or ..\.., the application fails to properly validate these inputs before using them in file inclusion operations. This lack of proper input sanitization creates an environment where arbitrary local files can be included and executed on the target system. The vulnerability is classified under CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The flaw demonstrates poor input validation practices that directly violate security principles of least privilege and input sanitization.
From an operational impact perspective, this vulnerability presents a severe threat to the confidentiality, integrity, and availability of systems running vulnerable versions of openMairie. Attackers can leverage this weakness to access sensitive files including configuration files, database credentials, application source code, and potentially system files that should remain restricted. The ability to execute arbitrary code through file inclusion means that attackers could establish persistent backdoors, escalate privileges, or completely compromise the target system. This vulnerability also aligns with ATT&CK technique T1059, which covers command and scripting interpreter, as the execution of arbitrary local files could enable attackers to run malicious commands or scripts. The impact extends beyond immediate system compromise to potential data breaches, service disruption, and further lateral movement within compromised networks.
Mitigation strategies for CVE-2007-2069 should focus on immediate patching of the openMairie application to version 1.12 or later, which contains the necessary fixes for this directory traversal vulnerability. Organizations should implement proper input validation and sanitization measures at all entry points where file paths are processed, ensuring that all user-supplied input is thoroughly validated before being used in file operations. The implementation of a whitelist approach for acceptable file types and paths can provide additional defense in depth. Network segmentation and access control measures should be enforced to limit exposure of vulnerable applications to untrusted networks. Security monitoring should be enhanced to detect suspicious file inclusion patterns and directory traversal attempts. Additionally, the principle of least privilege should be enforced, ensuring that web applications operate with minimal required permissions and cannot access sensitive system files or directories beyond their intended scope. Regular security assessments and vulnerability scanning should be conducted to identify and remediate similar weaknesses in other applications and systems within the organization's infrastructure.