CVE-2024-25893 in ChurchCRM
Summary
by MITRE • 02/21/2024
ChurchCRM 5.5.0 FRCertificates.php is vulnerable to Blind SQL Injection (Time-based) via the CurrentFundraiser GET parameter.
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Analysis
by VulDB Data Team • 08/28/2024
The vulnerability identified as CVE-2024-25893 affects ChurchCRM version 5.5.0 and specifically targets the FRCertificates.php script through a blind time-based sql injection flaw. This vulnerability arises from insufficient input validation and sanitization of the CurrentFundraiser GET parameter, which allows an attacker to inject malicious sql commands into the application's database query execution flow. The blind nature of this injection means that the attacker cannot directly observe the database contents through the application's response but can infer information through timing delays in query execution, making it particularly insidious as it operates silently in the background.
The technical implementation of this vulnerability stems from the application's failure to properly escape or parameterize user input before incorporating it into sql queries. When the CurrentFundraiser parameter is processed, the application directly appends its value to a sql statement without adequate sanitization measures, creating an opportunity for an attacker to manipulate the query structure through malicious payloads. The time-based aspect of this injection occurs when crafted payloads cause the database to delay responses, allowing the attacker to determine whether their injected commands executed successfully by measuring response times, which aligns with common patterns described in the CWE-89 weakness classification for sql injection vulnerabilities.
The operational impact of this vulnerability extends beyond simple data theft as it provides attackers with the capability to extract sensitive information from the ChurchCRM database through indirect means. An attacker could potentially access donor information, financial records, personal details of church members, and other confidential data stored within the application's database. The vulnerability also opens possibilities for privilege escalation within the application, potentially allowing unauthorized access to administrative functions or complete database compromise. This threat is particularly concerning for religious organizations that store sensitive personal and financial information about their congregants, as the breach could expose privacy-sensitive data that would be subject to various regulatory compliance requirements.
Organizations utilizing ChurchCRM version 5.5.0 should immediately implement mitigations including input validation, parameterized queries, and proper output encoding to prevent sql injection attacks. The most effective immediate solution involves updating to a patched version of ChurchCRM that addresses this specific vulnerability, as the developers have likely released security patches to resolve the input sanitization issues. Network-level protections such as web application firewalls can provide additional defense-in-depth measures, though they should not be relied upon as the sole protection mechanism. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components, as sql injection remains one of the most prevalent and dangerous web application security flaws according to the owasp top ten project and attack framework. System administrators should also implement proper monitoring and logging of database activities to detect anomalous query patterns that may indicate exploitation attempts. The vulnerability demonstrates the critical importance of input validation and proper parameterization techniques in preventing sql injection attacks, which are categorized under the attack technique T1071.004 in the mitre att&ck framework for application layer protocol tunneling and command execution.