CVE-2012-1978 in PHP Agenda
Summary
by MITRE
Multiple cross-site request forgery (CSRF) vulnerabilities in Simple PHP Agenda 2.2.8 and earlier allow remote attackers to hijack the authentication of administrators for requests that (1) add an administrator via a request to auth/process.php, (2) delete an administrator via a request to auth/admin/adminprocess.php, (3) add an event via a request to engine/new_event.php, or (4) delete an event via a request to phpagenda/.
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Analysis
by VulDB Data Team • 04/20/2025
The CVE-2012-1978 vulnerability represents a critical cross-site request forgery flaw in Simple PHP Agenda version 2.2.8 and earlier systems. This vulnerability resides in the web application's insufficient validation of user requests, allowing malicious actors to exploit the trust relationship between authenticated users and the application's backend services. The flaw specifically affects administrative functions within the application's authentication and event management modules, creating a pathway for unauthorized privilege escalation and data manipulation. The vulnerability stems from the application's failure to implement proper anti-CSRF tokens or request origin validation mechanisms, making it susceptible to attacks where an authenticated administrator's session can be hijacked without their knowledge or consent.
The technical implementation of this vulnerability occurs through four distinct attack vectors that target the application's administrative interfaces. The first vector involves requests to auth/process.php which allows attackers to add new administrators to the system, effectively expanding their attack surface and potentially granting them full administrative control. The second vector targets auth/admin/adminprocess.php for deleting existing administrators, which can be used to remove legitimate users and disrupt system operations. The third and fourth vectors operate through engine/new_event.php and phpagenda/ respectively, enabling attackers to manipulate event data by either adding or deleting events within the agenda system. These attack paths demonstrate a fundamental flaw in the application's session management and request validation mechanisms, where the system fails to verify that requests originate from legitimate administrative sessions rather than maliciously constructed requests.
The operational impact of this vulnerability extends beyond simple data manipulation to encompass complete system compromise and potential unauthorized access to sensitive administrative functions. An attacker who successfully exploits these CSRF vulnerabilities can essentially take control of the application's administrative capabilities, potentially leading to unauthorized user management, data corruption, or even complete system takeover. The vulnerability affects the integrity and availability of the application's core functionality, as attackers can modify or delete critical event data while also gaining access to administrative user accounts. The implications are particularly severe given that the application appears to be a calendar or scheduling system, where unauthorized modifications could disrupt business operations or compromise sensitive scheduling information. This vulnerability directly violates security principles related to authentication, authorization, and input validation, creating persistent risks for organizations relying on the affected software.
Mitigation strategies for CVE-2012-1978 should focus on implementing proper anti-CSRF protection mechanisms throughout the application's administrative interfaces. The most effective approach involves integrating unique, unpredictable tokens into all administrative requests that require authentication, ensuring that each request contains a token that can be validated against the user's current session. Organizations should also implement proper request origin validation and implement the principle of least privilege for administrative functions. The vulnerability aligns with CWE-352, which specifically addresses cross-site request forgery weaknesses in web applications, and can be mapped to ATT&CK technique T1548.005 related to abuse of credentials and privilege escalation. Additionally, organizations should consider implementing web application firewalls, conducting regular security audits, and ensuring that all web applications are updated to the latest versions that contain proper CSRF protection mechanisms. The remediation process should include thorough code reviews to identify and address similar vulnerabilities in other parts of the application, as well as implementing comprehensive logging and monitoring to detect potential exploitation attempts.