CVE-2008-1785 in Top 100
Summary
by MITRE
delete.php in Prozilla Top 100 1.2 allows remote authenticated users to delete statistics and accounts of arbitrary users via a modified s parameter.
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Analysis
by VulDB Data Team • 10/20/2024
The vulnerability identified as CVE-2008-1785 resides within the Prozilla Top 100 1.2 web application, specifically in the delete.php script that handles user account and statistical data deletion operations. This represents a critical authorization flaw that undermines the security model of the application by allowing authenticated users to manipulate the system's access controls through parameter manipulation. The vulnerability stems from insufficient input validation and inadequate privilege verification mechanisms within the application's deletion functionality, creating a path for malicious actors to escalate their privileges and target users other than themselves.
The technical implementation of this vulnerability occurs through the manipulation of the s parameter within the delete.php script, which serves as the primary identifier for user accounts or statistical records. When an authenticated user accesses the deletion functionality, the application relies on the s parameter to determine which records should be removed from the system. However, the application fails to properly validate whether the authenticated user possesses the necessary authorization to delete records belonging to other users. This weakness creates a privilege escalation scenario where users can modify the s parameter to reference accounts or statistical entries that belong to different users, effectively enabling them to perform unauthorized deletion operations.
The operational impact of this vulnerability extends beyond simple data loss, as it fundamentally compromises the integrity and confidentiality of user data within the Prozilla Top 100 application. Attackers can exploit this flaw to delete user accounts, thereby removing access credentials and potentially disrupting user access to the platform, or delete statistical records that may contain sensitive performance data, user behavior analytics, or business-critical metrics. The vulnerability also creates potential for denial of service conditions where legitimate users may lose access to their accounts or statistical information, while simultaneously providing attackers with the ability to manipulate the application's user base and data integrity. This type of vulnerability aligns with CWE-285, which addresses improper authorization issues, and maps to ATT&CK technique T1078 for valid accounts and T1485 for data destruction, highlighting both the authentication bypass and data manipulation aspects of the exploit.
Mitigation strategies for CVE-2008-1785 require immediate implementation of robust input validation and privilege verification mechanisms within the application's deletion processes. The primary fix involves implementing proper authorization checks that verify whether the authenticated user has explicit permission to delete the target record before executing any deletion operations. This includes validating that the user ID associated with the s parameter matches the authenticated user's identity or that the authenticated user possesses administrative privileges to perform cross-user deletions. Additionally, the application should implement proper parameter sanitization and input validation to prevent parameter tampering attacks, while establishing audit trails for all deletion operations to detect and respond to unauthorized access attempts. The vulnerability demonstrates the critical importance of implementing principle of least privilege and proper access control mechanisms, as outlined in security frameworks such as NIST SP 800-53, which emphasizes the need for robust access control and audit capabilities in web applications to prevent unauthorized data manipulation and ensure system integrity.