CVE-2008-3298 in Social Engine
Summary
by MITRE
SocialEngine (SE) before 2.83 grants certain write privileges for templates, which allows remote authenticated administrators to execute arbitrary PHP code.
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Analysis
by VulDB Data Team • 11/20/2017
The vulnerability identified as CVE-2008-3298 affects SocialEngine platforms prior to version 2.83 and represents a critical security flaw that enables authenticated administrators to escalate their privileges and execute arbitrary PHP code on affected systems. This issue stems from improper access control mechanisms within the template management functionality of the SocialEngine application, creating a pathway for privilege escalation that could lead to complete system compromise. The vulnerability specifically targets the template write privileges functionality, allowing attackers with administrative access to manipulate template files in ways that execute malicious code.
The technical exploitation of this vulnerability occurs through the manipulation of template files that are processed by the SocialEngine application. When administrators with write privileges attempt to modify template files, the application fails to properly validate or sanitize the content being written, allowing PHP code injection into template files. This flaw exists because the system does not adequately distinguish between legitimate template modifications and malicious code insertion attempts. The vulnerability is particularly dangerous because it leverages existing administrative privileges, making it more difficult to detect and prevent compared to attacks requiring initial access. Attackers can leverage this vulnerability to upload malicious PHP code directly into template directories, which then gets executed when the templates are rendered by the web application.
The operational impact of this vulnerability extends far beyond simple code execution, as it provides attackers with complete control over the affected SocialEngine installation. Once exploited, attackers can gain persistent access to the system, potentially using the compromised platform as a launchpad for further attacks within the network infrastructure. The vulnerability can be exploited to establish backdoors, exfiltrate sensitive data, modify user accounts, or even use the compromised system to attack other network resources. This represents a significant concern for organizations using SocialEngine as their primary social networking platform, as the compromise of a single administrative account could result in complete system takeover. The impact is amplified by the fact that many organizations may not regularly update their SocialEngine installations, leaving them vulnerable to this long-standing exploit.
Organizations should implement immediate mitigations including updating to SocialEngine version 2.83 or later, which addresses the template privilege validation issue. Additionally, administrators should review and restrict template modification permissions to only essential personnel, implementing proper access controls and monitoring for unauthorized template changes. The vulnerability aligns with CWE-264, which covers permissions, privileges, and access control issues, and represents a clear example of how insufficient input validation can lead to code execution vulnerabilities. From an ATT&CK framework perspective, this vulnerability maps to privilege escalation techniques and can be used to establish persistence within compromised environments. System administrators should also consider implementing web application firewalls to detect and block suspicious template modification attempts, while maintaining regular security audits of template directories to identify unauthorized changes. The vulnerability serves as a reminder of the critical importance of timely patch management and proper access control implementation in web applications.