CVE-2007-5567 in Galmeta Post
Summary
by MITRE
PHP remote file inclusion vulnerability in _lib/fckeditor/upload_config.php in Galmeta Post 0.11 allows remote attackers to execute arbitrary PHP code via a URL in the DDS parameter.
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Analysis
by VulDB Data Team • 09/01/2025
The vulnerability identified as CVE-2007-5567 represents a critical remote file inclusion flaw within the Galmeta Post 0.11 content management system. This vulnerability specifically affects the _lib/fckeditor/upload_config.php component and manifests through improper input validation mechanisms that fail to sanitize user-supplied data. The flaw exists in the handling of the DDS parameter which is processed without adequate security checks, creating an avenue for malicious actors to inject and execute arbitrary PHP code on the target system. This type of vulnerability falls under the category of CWE-94, which describes improper control of generation of code, specifically indicating a weakness where the application fails to properly validate and sanitize input that influences code execution paths. The vulnerability operates at the application layer and demonstrates a classic remote code execution vector that can be exploited by attackers who gain access to the system through manipulated HTTP requests.
The technical exploitation of this vulnerability relies on the PHP application's inability to properly validate the DDS parameter value before incorporating it into file inclusion operations. When a remote attacker crafts a malicious request containing a URL in the DDS parameter, the vulnerable system processes this input without proper sanitization, allowing the attacker to include external PHP files that can contain malicious code. The flaw essentially permits the application to dynamically include files based on user input, creating an environment where attacker-controlled code can be executed with the privileges of the web application. This vulnerability is particularly dangerous because it allows for complete system compromise and can be leveraged to establish persistent access, escalate privileges, or exfiltrate sensitive data from the affected server.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the capability to fully compromise the hosting environment. Once successfully exploited, an attacker can gain access to the web application's database, potentially leading to data breaches and unauthorized modifications to content management systems. The vulnerability affects the integrity and confidentiality of the Galmeta Post 0.11 platform, potentially allowing for unauthorized access to administrative functions and user data. From an attack perspective, this vulnerability maps to the ATT&CK technique T1190, which describes exploiting vulnerabilities in remote services to gain access to systems. The impact is significant for organizations using this outdated CMS version, as the vulnerability represents a known weakness that can be exploited by threat actors without requiring advanced techniques or specialized tools.
Mitigation strategies for CVE-2007-5567 must focus on immediate remediation efforts including the implementation of proper input validation and sanitization mechanisms. Organizations should disable the vulnerable file inclusion functionality or implement strict parameter validation that prevents external URLs from being accepted in the DDS parameter. The recommended approach involves applying the latest security patches from the Galmeta Post developers, if available, or migrating to more secure content management systems that have addressed such vulnerabilities. Additionally, implementing web application firewalls and input validation rules that specifically block malicious URL patterns can provide defense in depth. Security configurations should enforce proper access controls and restrict file inclusion operations to only internal, trusted resources. Organizations should also conduct thorough security assessments to identify similar vulnerabilities in other components of their web applications, as this vulnerability demonstrates a pattern of inadequate input validation that could affect other parts of the system. The remediation process should include comprehensive testing to ensure that the implemented fixes do not negatively impact legitimate application functionality while effectively preventing exploitation of this and similar vulnerabilities.