CVE-2023-7184 in Fakabao
Summary
by MITRE • 12/31/2023
A vulnerability was found in 7-card Fakabao up to 1.0_build20230805 and classified as critical. Affected by this issue is some unknown functionality of the file shop/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. VDB-249386 is the identifier 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-2023-7184 represents a critical sql injection flaw within the 7-card Fakabao application version 1.0_build20230805 and earlier. This security weakness resides in the shop/notify.php file, which processes payment notifications and transaction handling within the application's commerce functionality. The vulnerability specifically manifests when the out_trade_no parameter is manipulated, allowing attackers to inject malicious sql commands that can compromise the underlying database infrastructure. The flaw's classification as critical indicates the potential for severe data breaches and system compromise, particularly given that the exploit has been publicly disclosed and is actively available for use by threat actors. The absence of vendor response to early disclosure attempts further compounds the risk, leaving users exposed without official patches or mitigations.
The technical exploitation of this vulnerability follows standard sql injection attack patterns where the out_trade_no parameter serves as the primary attack vector. When user-controlled input from this parameter is improperly sanitized or validated before being incorporated into sql queries, attackers can manipulate the database structure through malicious payload injection. This typically involves appending sql commands such as union select statements or boolean-based conditional logic that can extract sensitive information, modify database records, or even execute system commands depending on the database backend and application configuration. The vulnerability directly maps to CWE-89 which defines sql injection as the insertion of malicious sql fragments into input data, and aligns with ATT&CK technique T1190 for exploiting vulnerabilities in web applications. The attack surface is particularly concerning because payment notification endpoints are often privileged and contain sensitive transaction data, making this a high-value target for attackers seeking to compromise financial information.
The operational impact of CVE-2023-7184 extends beyond simple data theft to encompass complete system compromise and business disruption. Successful exploitation could result in unauthorized access to customer payment information, transaction records, and potentially user credentials stored within the database. The vulnerability's presence in a payment processing component means that attackers could manipulate transaction outcomes, create fraudulent transactions, or extract confidential financial data that could be monetized through various cybercrime channels. Organizations relying on this application would face significant regulatory compliance issues, potential legal liability, and reputational damage if exploited. The public availability of the exploit means that the window for remediation is limited, as the vulnerability can be immediately leveraged by any attacker with basic technical skills. This makes the vulnerability particularly dangerous in environments where patch management processes are slow or where legacy systems cannot be easily updated.
Mitigation strategies for CVE-2023-7184 should prioritize immediate implementation of input validation and parameterized queries to prevent sql injection attacks. Organizations must ensure that all user inputs, particularly those used in database operations, are properly sanitized and validated before processing. The implementation of web application firewalls and intrusion detection systems can provide additional layers of protection against known attack patterns. Regular security auditing and penetration testing should be conducted to identify similar vulnerabilities within the application codebase. The lack of vendor response necessitates that organizations implement temporary workarounds such as disabling affected functionality or implementing network-level restrictions to limit access to the vulnerable endpoint. Security teams should monitor threat intelligence feeds for any exploitation attempts and prepare incident response procedures to address potential breaches. The vulnerability highlights the importance of maintaining updated software versions and establishing robust vendor communication channels to ensure timely security patch deployment. Organizations should also consider implementing database activity monitoring to detect unusual sql query patterns that might indicate exploitation attempts.