CVE-2022-31487 in Inout Blockchain AltExchanger
Summary
by MITRE • 05/24/2022
Inout Blockchain AltExchanger 1.2.1 and Inout Blockchain FiatExchanger 2.2.1 allow Chart/TradingView/chart_content/master.php symbol SQL injection.
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Analysis
by VulDB Data Team • 05/29/2022
The vulnerability identified as CVE-2022-31487 affects Inout Blockchain AltExchanger version 1.2.1 and Inout Blockchain FiatExchanger version 2.2.1, representing a critical SQL injection flaw within the chart functionality of these cryptocurrency exchange platforms. This vulnerability specifically targets the Chart/TradingView/chart_content/master.php script where user-supplied parameters are inadequately sanitized before being incorporated into database queries. The flaw enables malicious actors to manipulate the underlying database through crafted SQL commands, potentially leading to unauthorized data access, modification, or deletion. The vulnerability stems from improper input validation and parameter handling within the trading chart component, which is a core feature for cryptocurrency traders to analyze market movements and make informed decisions.
The technical implementation of this SQL injection vulnerability occurs when the application processes the symbol parameter through the chart_content/master.php endpoint without proper sanitization or parameterized query construction. Attackers can exploit this by submitting malicious SQL payloads through the symbol parameter, which then gets directly embedded into database queries without adequate escaping or validation. This allows for arbitrary SQL command execution against the backend database, potentially enabling attackers to extract sensitive information such as user credentials, transaction records, or system configuration data. The vulnerability's impact is amplified by the fact that it affects trading chart functionality, which is frequently accessed by both legitimate users and potential attackers seeking to understand system behavior and identify additional attack vectors.
From an operational perspective, this vulnerability poses significant risks to cryptocurrency exchange platforms and their users. The compromised system could result in unauthorized access to sensitive financial data, user account information, and transaction histories that could be exploited for financial fraud or identity theft. The attack surface is particularly concerning given that cryptocurrency exchanges handle large volumes of high-value transactions and sensitive user information. The vulnerability also creates opportunities for attackers to manipulate trading data, potentially affecting market integrity and causing financial losses. According to CWE classification, this represents a CWE-89 SQL Injection vulnerability, which is categorized as a high-risk security flaw that can lead to complete system compromise when exploited properly. The ATT&CK framework would classify this under T1071.004 Application Layer Protocol: DNS and T1190 Exploit Public-Facing Application, as it targets publicly accessible web interfaces.
Mitigation strategies for CVE-2022-31487 should focus on immediate patching of affected versions, implementing proper input validation and parameterized queries throughout the application codebase, and establishing robust database access controls. Organizations should deploy web application firewalls to detect and block malicious SQL injection attempts, while also implementing comprehensive monitoring and logging of database access patterns to identify potential exploitation attempts. The fix should involve replacing direct SQL query construction with parameterized queries or prepared statements, ensuring that user input is properly sanitized before database processing. Additionally, implementing least privilege database access controls and regular security assessments can help prevent exploitation and reduce the potential impact of similar vulnerabilities. Organizations should also conduct thorough code reviews focusing on database interaction points and establish security awareness training for developers to prevent similar injection vulnerabilities in future development cycles.