CVE-2019-11451 in whatsns
Summary
by MITRE
whatsns 4.0 allows index.php?inform/add.html qid SQL injection.
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Analysis
by VulDB Data Team • 09/06/2023
The vulnerability identified as CVE-2019-11451 affects the whatsns 4.0 content management system and represents a critical sql injection flaw in the inform/add.html module. This vulnerability arises from insufficient input validation and sanitization within the qid parameter of the index.php script, creating an exploitable condition that allows remote attackers to execute arbitrary sql commands against the underlying database. The flaw specifically manifests when the application fails to properly escape or filter user-supplied input before incorporating it into sql query constructs, enabling malicious actors to manipulate database operations through crafted payload sequences.
The technical implementation of this vulnerability falls under CWE-89 which categorizes sql injection as a direct result of improper neutralization of special elements used in sql commands. The attack vector involves an unauthenticated remote user who can submit malicious input through the qid parameter, potentially leading to complete database compromise including data exfiltration, modification, or deletion. The vulnerability exists because the application directly incorporates user input into sql queries without proper parameterization or input sanitization mechanisms, making it susceptible to exploitation by attackers who can craft sql injection payloads that bypass normal input validation checks.
From an operational impact perspective, this vulnerability poses significant risk to organizations using whatsns 4.0 as it enables attackers to gain unauthorized access to sensitive data stored within the application's database. The exploitation can result in complete system compromise, data breaches, and potential lateral movement within network environments where the vulnerable application resides. Attackers can leverage this vulnerability to extract confidential information, modify database records, or even establish persistent access through database-level backdoors. The impact extends beyond immediate data compromise to include potential regulatory violations and reputational damage from unauthorized data access.
The mitigation strategies for CVE-2019-11451 should prioritize immediate patching of the whatsns 4.0 application to the latest version that addresses this sql injection vulnerability. Organizations should implement proper input validation and parameterized queries throughout the application codebase to prevent similar issues from occurring in other modules. Database access controls should be reviewed and restricted to minimize the potential impact of successful exploitation attempts. Network segmentation and intrusion detection systems can help monitor for exploitation attempts targeting this specific vulnerability. Additionally, implementing web application firewalls with sql injection detection capabilities provides an additional layer of protection. According to ATT&CK framework, this vulnerability maps to T1190 - Exploit Public-Facing Application which involves leveraging vulnerabilities in externally accessible applications to gain unauthorized access to systems and data resources.