CVE-2023-7183 in Fakabao
Summary
by MITRE • 12/31/2023
A vulnerability has been found in 7-card Fakabao up to 1.0_build20230805 and classified as critical. Affected by this vulnerability is an unknown functionality of the file shop/alipay_notify.php. The manipulation of the argument out_trade_no leads to sql injection. The exploit has been disclosed to the public and may be used. The identifier VDB-249385 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 01/22/2024
The vulnerability identified as CVE-2023-7183 represents a critical sql injection flaw within the 7-card Fakabao application version 1.0_build20230805 and earlier releases. This vulnerability specifically affects the shop/alipay_notify.php file which processes payment notifications from alipay payment gateway. The flaw manifests when the out_trade_no parameter is manipulated, allowing attackers to inject malicious sql commands directly into the application's database query execution flow. The vulnerability's classification as critical indicates the potential for severe data compromise and system exploitation. The fact that this exploit has been publicly disclosed and is actively being used in the wild significantly elevates the risk level for affected systems. The vulnerability identifier VDB-249385 was assigned by the vendor database, confirming the public availability of this exploit. Security researchers have documented that the vendor was contacted regarding this disclosure but received no response, which is particularly concerning given the critical nature of sql injection vulnerabilities. This lack of vendor response suggests either inadequate security monitoring or potential negligence in addressing known security flaws that could be exploited by malicious actors.
The technical implementation of this sql injection vulnerability occurs through the improper handling of user-supplied input within the shop/alipay_notify.php script. When the out_trade_no parameter is processed, the application fails to properly sanitize or escape the input before incorporating it into sql queries. This allows an attacker to craft malicious input that alters the intended sql query structure, potentially enabling data extraction, modification, or deletion operations. The vulnerability operates at the application layer and requires no special privileges to exploit, making it particularly dangerous as it can be leveraged by anyone with access to the payment notification endpoint. This type of vulnerability directly maps to CWE-89 which specifically addresses sql injection flaws in software applications. The attack vector is typically initiated through crafted payment notifications sent to the vulnerable endpoint, where the malicious out_trade_no parameter is processed without adequate input validation or sanitization. The vulnerability's impact extends beyond simple data theft as it could potentially allow for complete database compromise and unauthorized access to sensitive customer information including payment details and personal identification data.
The operational impact of CVE-2023-7183 is substantial and multifaceted across multiple security domains. Organizations running affected versions of 7-card Fakabao face immediate risks of data breaches involving customer payment information, personal details, and potentially business-critical operational data. The sql injection vulnerability could enable attackers to escalate privileges within the database, access administrative functions, or even execute arbitrary code on the underlying system. The vulnerability affects the application's integrity and availability, as successful exploitation could result in data corruption or complete service disruption. From an industry compliance perspective, organizations utilizing this software may face regulatory violations under data protection laws such as gdpr, pci dss, or local privacy regulations, depending on the jurisdiction and the type of data stored. The public disclosure of this exploit creates additional operational challenges as threat actors can now leverage automated scanning tools to identify vulnerable systems. This vulnerability also impacts the software supply chain security, as it represents a failure in proper input validation and sanitization practices within a commercial payment processing application. The lack of vendor response compounds the operational risk, leaving organizations without official patches or mitigation guidance during an active exploitation period.
Organizations affected by CVE-2023-7183 should implement immediate defensive measures to protect against potential exploitation. The most critical mitigation involves implementing proper input validation and sanitization for all user-supplied parameters, particularly those used in database query construction. This includes implementing parameterized queries or prepared statements to prevent sql injection attacks, which aligns with recommended practices in the owasp top ten security risks and the mitre attack framework. Network-level protections such as web application firewalls should be configured to detect and block suspicious patterns in payment notification requests. Organizations should also implement comprehensive monitoring and logging of payment processing activities to detect potential exploitation attempts. The principle of least privilege should be applied to database access, ensuring that the application's database user account has minimal required permissions. Security teams should conduct immediate vulnerability assessments to identify all systems running affected versions of the software and implement patch management procedures. Additionally, organizations should review their incident response plans to ensure readiness for potential exploitation events. The vulnerability's classification as a persistent threat requires continuous monitoring and periodic security assessments to ensure that the mitigation measures remain effective against evolving attack techniques. Organizations should also consider implementing database activity monitoring solutions that can detect anomalous sql query patterns indicative of injection attacks, as recommended in the nist cybersecurity framework for critical infrastructure protection.