CVE-2007-3433 in Pharmacy System
Summary
by MITRE
SQL injection vulnerability in index.php in Pharmacy System 2 and earlier allows remote attackers to execute arbitrary SQL commands via the ID parameter in an add action.
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Analysis
by VulDB Data Team • 09/22/2024
The vulnerability identified as CVE-2007-3433 represents a critical sql injection flaw within the pharmacy system version 2 and earlier implementations. This security weakness exists in the index.php file where the application fails to properly sanitize user input before incorporating it into sql queries. The specific vector of attack occurs through the ID parameter during an add action operation, allowing malicious actors to inject arbitrary sql commands into the database layer. This type of vulnerability falls under the common weakness enumeration category of CWE-89 sql injection, which is classified as a high severity issue in the software security domain. The vulnerability demonstrates a fundamental lack of input validation and proper parameterization in the application's database interaction mechanisms.
The operational impact of this vulnerability extends far beyond simple data manipulation, as it provides attackers with the capability to execute unauthorized database operations remotely. An attacker exploiting this flaw could potentially gain access to sensitive patient information, modify prescription records, delete critical data, or even escalate privileges within the database system. The remote nature of the attack means that no local system access is required, making the vulnerability particularly dangerous as it can be exploited from anywhere on the internet. This vulnerability directly aligns with attack techniques documented in the attack pattern taxonomy under the category of sql injection attacks, which are consistently ranked among the top threats in the owasp top ten security risks.
The technical exploitation of this vulnerability requires minimal sophistication and can be accomplished through standard sql injection techniques. Attackers would construct malicious sql payloads targeting the ID parameter in the add action context, potentially using classic sql injection patterns such as single quotes, semicolons, or union select statements to bypass authentication or extract data. The lack of proper input sanitization means that any value passed through the ID parameter is directly incorporated into sql queries without adequate escaping or parameterization. This flaw represents a complete breakdown in the application's defense in depth strategy, as it fails to implement any form of input validation or output encoding that would normally prevent such attacks from succeeding. The vulnerability also indicates poor software development practices and inadequate security testing during the application lifecycle, as proper input validation should have been implemented at the point of data entry.
Mitigation strategies for CVE-2007-3433 must address both immediate remediation and long-term architectural improvements. The primary fix involves implementing proper parameterized queries or prepared statements throughout the application's database interaction code, ensuring that user input is never directly concatenated into sql commands. Additionally, comprehensive input validation should be implemented at multiple layers including application level filtering and database level restrictions. Organizations should also implement proper access controls and database permissions to limit the damage that could occur even if an attacker successfully exploits the vulnerability. The implementation of web application firewalls and intrusion detection systems can provide additional monitoring and protection against such attacks. Regular security testing including penetration testing and automated vulnerability scanning should be conducted to identify similar flaws in other application components. This vulnerability serves as a reminder of the critical importance of following secure coding practices and the need for continuous security education and awareness within development teams to prevent such fundamental flaws from being introduced into software systems.