CVE-2019-7587 in Wind
Summary
by MITRE
Bo-blog Wind through 1.6.0-r allows SQL Injection via the admin.php/comments/batchdel/ comID parameter because this parameter is mishandled in the mode/admin.mode.php delBlockedBatch function.
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Analysis
by VulDB Data Team • 07/09/2023
The vulnerability described in CVE-2019-7587 represents a critical sql injection flaw within the bo-blog wind content management system version 1.6.0-r and earlier. This vulnerability specifically targets the administrative interface of the platform, where the batch deletion functionality for comments is implemented. The flaw occurs when the comID parameter is passed through the admin.php/comments/batchdel/ endpoint, which then gets processed by the delBlockedBatch function located in the mode/admin.mode.php file. The improper handling of this parameter creates an exploitable condition that allows malicious actors to inject arbitrary sql commands into the database query execution process.
The technical nature of this vulnerability aligns with CWE-89 which defines sql injection as the insertion of malicious sql code into input fields for execution by the database. The flaw manifests because the comID parameter is not properly sanitized or validated before being incorporated into sql queries within the administrative function. This lack of input validation creates a direct pathway for attackers to manipulate the database operations through crafted malicious input. The vulnerability is particularly concerning as it operates within the administrative context, potentially allowing attackers to gain elevated privileges and execute arbitrary database commands with the privileges of the web application.
The operational impact of this vulnerability extends beyond simple data corruption or unauthorized access. Attackers could potentially extract sensitive information from the database, modify or delete critical content, and in some cases gain full control over the affected system. The batch deletion functionality makes this particularly dangerous as it provides a mechanism for attackers to target multiple comment entries simultaneously, potentially leading to widespread data manipulation or deletion. The administrative nature of the vulnerability means that successful exploitation could result in complete compromise of the content management system, affecting not just comment data but potentially other system components and user information stored within the database.
Security mitigation strategies should focus on immediate patching of the affected bo-blog wind version to address the sql injection vulnerability. Organizations should implement proper input validation and parameterized queries to prevent similar issues in the future. The principle of least privilege should be enforced by ensuring that administrative functions require proper authentication and authorization checks. Additionally, regular security auditing of web applications should include thorough testing of all input parameters, particularly those used in administrative functions. This vulnerability demonstrates the importance of following secure coding practices and implementing proper sql query sanitization techniques as outlined in the software security guidelines. The ATT&CK framework categorizes this as a database injection technique, specifically targeting the command execution phase of an attack, where adversaries leverage application vulnerabilities to execute malicious commands against backend databases.