CVE-2019-5886 in ShopXO
Summary
by MITRE
An issue was discovered in ShopXO 1.2.0. In the application\install\controller\Index.php file, there is no validation lock file in the Add method, which allows an attacker to reinstall the database. The attacker can write arbitrary code to database.php during system reinstallation.
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Analysis
by VulDB Data Team • 04/28/2020
The vulnerability identified as CVE-2019-5886 affects ShopXO version 1.2.0 during its installation process, representing a critical security flaw that could enable unauthorized access to the system. This issue manifests within the application's installation component where improper input validation and sanitization mechanisms fail to properly handle user-supplied data. The flaw exists in the installation routine where the application does not adequately validate or escape parameters passed during the setup phase, creating an environment susceptible to malicious input injection.
The technical implementation of this vulnerability stems from inadequate parameter handling within the installation script that processes user inputs without sufficient sanitization measures. When the installation process accepts configuration parameters, it fails to properly validate the data types and content of these inputs, allowing attackers to inject malicious payloads that can be executed within the context of the installation process. This weakness creates a pathway for attackers to manipulate the installation flow and potentially execute arbitrary code on the target system.
The operational impact of this vulnerability extends beyond simple installation compromise, as successful exploitation could lead to full system compromise and unauthorized access to sensitive data. Attackers leveraging this flaw could gain elevated privileges and execute malicious code during the installation phase, potentially leading to persistent access and data exfiltration capabilities. The vulnerability affects the integrity and availability of the application, as unauthorized parties could manipulate the installation process to deploy malicious components or modify system configurations.
Security professionals should consider this vulnerability in relation to CWE-20, which addresses improper input validation, and CWE-74, which covers injection flaws. The attack pattern aligns with ATT&CK techniques such as T1059 for command and script injection, and T1068 for exploit for privilege escalation. Organizations should implement immediate mitigation strategies including validating all inputs during installation, implementing proper parameter sanitization, and restricting access to installation routines. Additionally, network segmentation and monitoring should be enhanced to detect unauthorized installation attempts or suspicious activities during the setup process.
The remediation approach requires patching the affected ShopXO version to properly validate and sanitize all inputs during installation, implementing proper access controls to restrict installation access, and conducting thorough security testing of installation components. System administrators should also establish monitoring procedures to detect anomalous installation activities and ensure that only authorized personnel can initiate the installation process. Regular security assessments should be conducted to identify similar vulnerabilities in other components of the application ecosystem.