CVE-2019-10687 in KBPublisher
Summary
by MITRE
KBPublisher 6.0.2.1 has SQL Injection via the admin/index.php?module=report entry_id[0] parameter, the admin/index.php?module=log id parameter, or an index.php?View=print&id[]= request.
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Analysis
by VulDB Data Team • 11/28/2023
The vulnerability identified as CVE-2019-10687 affects KBPublisher version 6.0.2.1 and represents a critical SQL injection flaw that allows remote attackers to execute arbitrary database commands. This vulnerability exists within the application's handling of user input parameters in three distinct locations within the web interface. The primary attack vectors involve the admin/index.php?module=report entry_id[0] parameter, the admin/index.php?module=log id parameter, and the index.php?View=print&id[]= request parameter. These endpoints fail to properly sanitize or validate user-supplied input before incorporating it into database queries, creating an exploitable condition that can be leveraged for unauthorized data access and manipulation.
The technical implementation of this vulnerability stems from improper input validation and parameter handling within the application's backend processing logic. When users submit requests containing maliciously crafted input through any of the affected parameters, the application directly incorporates this unvalidated data into SQL queries without appropriate escaping or parameterization. This flaw aligns with CWE-89, which specifically addresses SQL injection vulnerabilities where untrusted data is concatenated into SQL commands without proper sanitization. The vulnerability demonstrates a classic lack of input validation and output encoding practices that are fundamental to preventing database injection attacks.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete database compromise and potential system takeover. Attackers can exploit these entry points to extract sensitive information including user credentials, personal data, and system configurations from the underlying database. The vulnerability also enables attackers to modify or delete database records, potentially leading to data corruption or complete system downtime. Additionally, successful exploitation could provide attackers with a persistent foothold within the network, allowing for further lateral movement and escalation of privileges. This type of vulnerability is particularly dangerous in web applications that handle sensitive user data or business-critical information, as it can result in significant financial and reputational damage.
Mitigation strategies for CVE-2019-10687 should prioritize immediate patching of the affected KBPublisher version to the latest available release that addresses these SQL injection vulnerabilities. Organizations should implement proper input validation and parameterized queries throughout the application codebase to prevent similar issues from occurring. The principle of least privilege should be enforced by limiting database user permissions to only those operations necessary for application functionality. Regular security assessments and code reviews should be conducted to identify and remediate similar vulnerabilities. Network segmentation and web application firewalls can provide additional layers of protection, while monitoring systems should be deployed to detect suspicious database access patterns. Organizations should also consider implementing automated vulnerability scanning tools that can identify and alert on similar SQL injection vulnerabilities across their entire application portfolio, following established security frameworks such as those recommended by the ATT&CK framework for defensive strategies against database-oriented attacks.