CVE-2006-4296 in bigAPE-Backup component
Summary
by MITRE
PHP remote file inclusion vulnerability in classes/Tar.php in bigAPE-Backup component (com_babackup) for Mambo 1.1 allows remote attackers to include arbitrary files via the mosConfig_absolute_path parameter.
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Analysis
by VulDB Data Team • 07/14/2024
The CVE-2006-4296 vulnerability represents a critical remote file inclusion flaw discovered in the bigAPE-Backup component for Mambo 1.1 content management system. This vulnerability resides within the classes/Tar.php file and specifically targets the mosConfig_absolute_path parameter, creating a pathway for remote attackers to execute arbitrary code on the affected system. The vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly restrict user-supplied parameters from being directly incorporated into file inclusion operations.
This security flaw operates under the Common Weakness Enumeration category CWE-98, which classifies it as "Improper Control of Generation of Code ('Code Injection')" and specifically falls under the broader category of "Improper Neutralization of Special Elements used in an OS Command." The vulnerability allows attackers to manipulate the mosConfig_absolute_path parameter to include malicious files from remote locations, potentially enabling full system compromise through arbitrary code execution. The attack vector leverages the trust model inherent in the Mambo component architecture, where user input is not adequately validated before being used in file system operations.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the capability to gain unauthorized access to the underlying system. Successful exploitation could result in complete system compromise, data exfiltration, and potential lateral movement within network environments. The vulnerability affects the core functionality of the Mambo 1.1 platform, which was widely deployed in enterprise and organizational environments during the mid-2000s, making the potential impact substantial. Attackers could leverage this flaw to establish persistent backdoors, install malware, or perform reconnaissance activities against the compromised systems.
Mitigation strategies for CVE-2006-4296 should prioritize immediate patching of the affected Mambo 1.1 installations, as the vulnerability was addressed through official security updates. Organizations should implement input validation mechanisms that sanitize all user-supplied parameters, particularly those used in file inclusion operations. The principle of least privilege should be enforced by restricting file inclusion capabilities to only trusted sources and implementing proper access controls. Network segmentation and firewall rules can help limit the attack surface, while regular security audits should verify that no unauthorized modifications have occurred. Additionally, the vulnerability aligns with ATT&CK technique T1059.007 for "Command and Scripting Interpreter: PowerShell" and T1505.003 for "Server Software Component: Web Shell," as attackers could leverage this vulnerability to deploy malicious payloads that persist across system reboots and maintain operational capabilities.