CVE-2019-8422 in PbootCMS
Summary
by MITRE
A SQL Injection vulnerability exists in PbootCMS v1.3.2 via the description parameter in apps\admin\controller\content\ContentController.php.
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Analysis
by VulDB Data Team • 07/11/2023
The vulnerability CVE-2019-8422 represents a critical SQL injection flaw within PbootCMS version 1.3.2 that specifically targets the description parameter within the admin section of the application. This vulnerability falls under the CWE-89 category, which classifies SQL injection as a serious weakness that allows attackers to execute arbitrary SQL commands against the database backend. The flaw occurs when user-supplied input from the description parameter is not properly sanitized or validated before being incorporated into SQL queries, creating an avenue for malicious data manipulation.
The technical implementation of this vulnerability enables an attacker to inject malicious SQL code through the description field in the admin interface, potentially allowing full database access and control. When the application processes the description parameter, it directly incorporates the input into database queries without adequate escaping or parameterization, which violates fundamental security principles for database interaction. This weakness is particularly dangerous in administrative sections where elevated privileges are already granted, amplifying the potential impact of successful exploitation.
Operationally, this vulnerability poses significant risks to organizations using PbootCMS v1.3.2 as it can lead to complete database compromise, data exfiltration, and potential system takeover. Attackers could extract sensitive information including user credentials, personal data, and system configurations. The vulnerability's impact extends beyond simple data theft as it may enable attackers to modify or delete database content, inject backdoors, or escalate privileges within the application. The attack surface is further expanded by the fact that this occurs in the admin section, which typically requires authentication but still presents a critical entry point for privileged attacks.
Mitigation strategies for CVE-2019-8422 should prioritize immediate patching of PbootCMS to version 1.3.3 or later, which contains the necessary fixes for this vulnerability. Organizations should implement proper input validation and parameterized queries throughout the application to prevent similar issues. The principle of least privilege should be enforced in administrative interfaces, and all user inputs should undergo strict sanitization before database processing. Additionally, database access should be restricted to only necessary operations, and comprehensive logging should be implemented to detect unauthorized access attempts. This vulnerability aligns with ATT&CK technique T1071.005 for application layer protocol usage and T1046 for network service discovery, making it a critical target for both defensive and offensive security operations.