71 vulnerabilities classified as CWE-212 (敏感数据的不恰当跨边界移除). AI Chinese analysis included.
CWE-212 represents a critical data handling weakness where applications fail to sanitize sensitive information before storing or transmitting resources. This flaw typically allows attackers to exploit residual data within discarded documents, network packets, or database entries, leading to unauthorized access to credentials, personal identifiable information, or proprietary secrets. Developers often overlook this risk when reusing memory buffers or neglecting to clear temporary files, assuming that overwriting data is sufficient. To mitigate this vulnerability, engineers must implement rigorous data sanitization protocols, ensuring that all sensitive fields are explicitly cleared or overwritten before resource deallocation. Additionally, employing secure coding standards that enforce strict data lifecycle management and utilizing cryptographic erasure techniques can prevent accidental exposure. Regular code reviews focusing on data flow and memory management are essential to identify and rectify these oversights, thereby safeguarding confidential information against leakage.
// API flag, output JSON if set $json = $_GET['json'] $username = $_GET['user'] if(!$json) { $record = getUserRecord($username); foreach($record as $fieldName => $fieldValue) { if($fieldName == "email_address") { // skip displaying user emails continue; } else{ writeToHtmlPage($fieldName,$fieldValue); } } } else { $record = getUserRecord($username); echo json_encode($record); }Vulnerabilities classified as CWE-212 (敏感数据的不恰当跨边界移除) represent 71 CVEs. The CWE taxonomy describes the weakness; review individual CVEs for product-specific impact.