CVE-2019-12348 in zzcms
Summary
by MITRE • 05/25/2021
An issue was discovered in zzcms 2019. SQL Injection exists in user/ztconfig.php via the daohang or img POST parameter.
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Analysis
by VulDB Data Team • 05/27/2021
The vulnerability CVE-2019-12348 represents a critical SQL injection flaw within zzcms 2019 content management system that directly impacts the user configuration module. This vulnerability specifically manifests in the user/ztconfig.php file where the daohang or img POST parameters fail to properly sanitize user input before incorporating them into database queries. The flaw allows authenticated attackers with access to the user configuration interface to execute arbitrary SQL commands against the underlying database system, potentially leading to complete system compromise and data exfiltration.
From a technical perspective this vulnerability falls under CWE-89 which categorizes SQL injection as a persistent flaw occurring when user-supplied data is directly concatenated into SQL queries without proper sanitization or parameterization. The attack vector specifically targets the POST parameters daohang and img which are processed within the ztconfig.php script, making this a classic example of insecure direct object reference combined with improper input validation. The vulnerability's impact is amplified by the fact that it requires only authenticated access to the user configuration module, which typically requires minimal privileges to reach.
The operational impact of this vulnerability extends beyond simple data theft to encompass full system compromise and potential lateral movement within network environments. An attacker exploiting this vulnerability could extract sensitive user credentials, manipulate database content, escalate privileges, or even establish persistent backdoors through database-level persistence mechanisms. The vulnerability affects the entire zzcms 2019 ecosystem and could potentially allow attackers to gain unauthorized access to confidential information stored in the database, including user accounts, configuration settings, and potentially other system-related data. The attack surface is particularly concerning as it operates at the application level and can be leveraged for privilege escalation attacks.
Mitigation strategies for CVE-2019-12348 should prioritize immediate patching of the zzcms 2019 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 the future. The principle of least privilege should be enforced by limiting access to the user configuration module to only authorized administrators and implementing multi-factor authentication for administrative access. Network segmentation and intrusion detection systems should monitor for suspicious database access patterns and SQL injection attempts. Additionally, regular security audits and penetration testing should be conducted to identify and remediate similar vulnerabilities in other applications and systems within the organization's infrastructure. The vulnerability also aligns with ATT&CK technique T1071.004 which covers application layer protocol tunneling and T1046 which involves network service scanning, making it a significant concern for defensive cybersecurity operations.