CVE-2007-1131 in Sinapis Forum
Summary
by MITRE
PHP remote file inclusion vulnerability in sinapis.php in Sinapis Forum 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-2007-1131 represents a critical remote file inclusion flaw in the Sinapis Forum 2.2 software, specifically within the sinapis.php script. This issue falls under the category of insecure direct object references and improper input validation, creating a pathway for malicious actors to execute arbitrary code on the target system. The vulnerability stems from the application's failure to properly validate and sanitize user-supplied input parameters, particularly the fuss parameter that is processed within the sinapis.php file.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL and passes it through the fuss parameter, which is then included and executed by the vulnerable PHP application. This type of vulnerability directly maps to CWE-88, which describes improper neutralization of argument delimiters in a command, and CWE-94, which covers execution of arbitrary code. The flaw enables attackers to inject and execute PHP code remotely, potentially leading to complete system compromise. The vulnerability is classified as a remote code execution issue that can be exploited without authentication, making it particularly dangerous in web environments.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the capability to establish persistent access, escalate privileges, and potentially use the compromised system as a launchpad for further attacks within the network infrastructure. The vulnerability affects the confidentiality, integrity, and availability of the affected system, as unauthorized parties can manipulate the application to perform unintended operations. Attackers may leverage this flaw to install backdoors, exfiltrate sensitive data, or use the compromised server for malicious activities such as spam distribution or as a command and control server.
Mitigation strategies for this vulnerability should include immediate patching of the Sinapis Forum software to the latest available version that addresses the remote file inclusion flaw. Additionally, implementing proper input validation and sanitization measures within the application code is essential to prevent similar issues from occurring. Organizations should also deploy web application firewalls to monitor and filter suspicious requests containing potentially malicious URLs. The implementation of the principle of least privilege and regular security assessments can help reduce the attack surface and prevent exploitation of such vulnerabilities. This vulnerability serves as a reminder of the importance of secure coding practices and proper input validation in preventing remote code execution scenarios that can lead to complete system compromise. The ATT&CK framework categorizes this type of vulnerability under T1190 for exploit public-facing application and T1059 for command and scripting interpreter, highlighting the multi-stage nature of exploitation and the need for comprehensive defensive measures.