CVE-2006-6809 in buratinable templator
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in process.php in Vladimir Menshakov buratinable templator (aka bubla) 1.0.0rc2 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the (1) bu_dir or (2) bu_config[dir] parameter.
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Analysis
by VulDB Data Team • 12/21/2024
The vulnerability identified as CVE-2006-6809 represents a critical remote file inclusion flaw in the buratinable templator (bubla) version 1.0.0rc2 and earlier. This vulnerability exists within the process.php script and stems from inadequate input validation mechanisms that fail to properly sanitize user-supplied parameters. The flaw specifically affects two parameters: bu_dir and bu_config[dir] which are processed without sufficient security controls, creating an avenue for malicious exploitation.
This vulnerability falls under the CWE-98 category, which describes improper input validation leading to remote file inclusion attacks. The technical implementation flaw occurs when the application directly incorporates user-provided input into file inclusion operations without proper sanitization or validation. When an attacker supplies a malicious URL through either of the vulnerable parameters, the application processes this input and attempts to include the remote file, effectively executing arbitrary PHP code on the target server. This type of vulnerability enables attackers to inject malicious code, potentially leading to complete system compromise.
The operational impact of this vulnerability is severe and multifaceted. An attacker can leverage this weakness to execute arbitrary commands on the affected system, potentially gaining full administrative control over the web server. The remote nature of the vulnerability means that attackers can exploit it from anywhere on the internet without requiring local access or credentials. This creates a significant risk for any organization using vulnerable versions of the buratinable templator, as it allows for unauthorized code execution, data exfiltration, and potential lateral movement within the network infrastructure. The vulnerability also aligns with ATT&CK technique T1190, which covers exploitation of remote services through file inclusion attacks.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security improvements. The primary solution involves upgrading to a patched version of the buratinable templator software, as this vulnerability was resolved in subsequent releases. Organizations should implement proper input validation and sanitization measures, ensuring that all user-supplied parameters are thoroughly validated before being processed. Additionally, the principle of least privilege should be enforced by configuring the web server to restrict file inclusion operations to specific, trusted directories only. Security measures such as disabling remote file inclusion features in PHP configuration, implementing web application firewalls, and conducting regular security audits can provide additional layers of protection against similar vulnerabilities in the future.