CVE-2008-1790 in SocialWare
Summary
by MITRE
Unrestricted file upload vulnerability in iScripts SocialWare allows remote authenticated administrators to upload arbitrary files via a crafted logo file in the "Manage Settings" functionality. NOTE: remote exploitation is facilitated by a separate SQL injection vulnerability.
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Analysis
by VulDB Data Team • 10/20/2024
The vulnerability identified as CVE-2008-1790 represents a critical security flaw within iScripts SocialWare software that enables authenticated administrators to bypass file upload restrictions through maliciously crafted logo files. This issue resides within the "Manage Settings" functionality of the application, where the system fails to properly validate file types and content during the upload process. The vulnerability operates under the broader context of insecure file handling practices that have been classified under CWE-434, which specifically addresses the insecure upload of file content. The flaw allows an attacker with administrative privileges to upload files containing malicious code that can be executed within the application's context, potentially leading to complete system compromise.
The technical implementation of this vulnerability stems from inadequate input validation mechanisms within the file upload handler. When administrators attempt to upload logo files through the management interface, the application does not properly inspect file extensions, MIME types, or content signatures to verify that uploaded files conform to expected formats. This lack of proper validation creates an unrestricted file upload condition that can be exploited to introduce executable scripts or other malicious content into the web server environment. The vulnerability's exploitation is further facilitated by a separate SQL injection vulnerability that allows attackers to escalate privileges and gain administrative access to the system, demonstrating how multiple weaknesses can compound to create more severe security risks. According to ATT&CK framework category T1190, this represents a technique for gaining access through vulnerabilities in web applications, while also aligning with T1059 which covers execution through scripts or binaries.
The operational impact of CVE-2008-1790 extends beyond simple privilege escalation to encompass complete system compromise and potential data breaches. Once an attacker successfully uploads malicious files through this vulnerability, they can execute arbitrary code on the target server, potentially leading to unauthorized access to sensitive user data, modification of application functionality, or establishment of persistent backdoors. The implications are particularly severe because the vulnerability requires only administrative privileges to exploit, which suggests that the application's access controls may be insufficiently robust. The combination with the SQL injection vulnerability creates a particularly dangerous attack vector where an attacker can first exploit the SQL injection to gain administrative credentials and then leverage the unrestricted file upload to execute malicious code, representing a classic privilege escalation attack pattern documented in various cybersecurity frameworks. Organizations using iScripts SocialWare are particularly vulnerable to these attacks, as the software may be deployed in environments where administrative access is not adequately protected, and where the combination of these vulnerabilities can lead to full system takeover.
Mitigation strategies for CVE-2008-1790 require a multi-layered approach that addresses both the immediate file upload vulnerability and the underlying privilege escalation issues. The primary recommendation involves implementing strict file validation mechanisms that enforce whitelisting of acceptable file extensions and MIME types, while also performing content analysis to verify that uploaded files match their declared types. Organizations should disable file upload functionality for administrative accounts when it is not strictly necessary, and implement proper access controls that enforce the principle of least privilege. Network segmentation and monitoring should be implemented to detect suspicious file upload activities, while regular security audits should verify that the application is not vulnerable to similar issues. The vulnerability also underscores the importance of keeping web applications updated and patched, as this particular issue was likely addressed in subsequent versions of the software. Additionally, implementing web application firewalls and intrusion detection systems can help identify and block attempts to exploit these types of vulnerabilities, while regular penetration testing should be conducted to identify similar weaknesses in other application components. The remediation efforts should also include proper logging and monitoring of administrative activities to detect unauthorized access attempts and file upload operations that may indicate exploitation attempts.