CVE-2007-1130 in Gastebuch
Summary
by MITRE
PHP remote file inclusion vulnerability in sinagb.php in Sinapis Gastebuch 2.2 allows remote attackers to execute arbitrary PHP code via a URL in the fuss parameter.
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Analysis
by VulDB Data Team • 08/25/2024
The vulnerability identified as CVE-2007-1130 represents a critical remote file inclusion flaw in the Sinapis Gastebuch 2.2 web application, specifically within the sinagb.php script. This vulnerability falls under the category of insecure direct object references and improper input validation, creating a pathway for remote attackers to execute arbitrary PHP code on the target system. The flaw manifests when the application fails to properly validate or sanitize user-supplied input passed through the fuss parameter, which is then used in a file inclusion operation without adequate security controls.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL and passes it through the fuss parameter to the sinagb.php script. The application processes this input without sufficient validation, allowing the attacker to specify a remote URL that contains malicious PHP code. When the web server attempts to include this remote file, the malicious code gets executed within the context of the web application, providing the attacker with unauthorized access to execute commands on the server. This vulnerability directly maps to CWE-88, which describes improper neutralization of argument delimiters in a command, and CWE-94, which covers improper execution of code, both of which are fundamental to remote code execution through file inclusion attacks.
The operational impact of this vulnerability is severe and multifaceted, as it enables attackers to gain complete control over the affected web server. Once exploited, attackers can execute arbitrary commands, potentially leading to data theft, system compromise, or further lateral movement within the network. The vulnerability affects the confidentiality, integrity, and availability of the web application and underlying system resources. Organizations running Sinapis Gastebuch 2.2 are at significant risk of unauthorized access, data breaches, and potential compromise of their entire web infrastructure. This type of vulnerability is particularly dangerous because it allows for persistent backdoor access and can be used to establish a foothold for more extensive attacks.
Mitigation strategies for this vulnerability should include immediate patching of the affected application to version 2.3 or later, which contains the necessary security fixes. System administrators should implement input validation and sanitization measures to prevent untrusted data from being processed in file inclusion operations. The principle of least privilege should be enforced by configuring web servers to restrict file inclusion operations to local files only. Additionally, network-level protections such as web application firewalls and intrusion detection systems can help detect and block attempts to exploit this vulnerability. According to ATT&CK framework, this vulnerability maps to T1059.007 for command and script interpreter and T1190 for exploit public-facing application, highlighting the need for comprehensive security controls across multiple attack vectors. Organizations should also implement proper security monitoring and logging to detect suspicious file inclusion patterns and ensure regular security assessments to identify similar vulnerabilities in other applications.