CVE-2007-0554 in Guo Xu Guos Posting System
Summary
by MITRE
SQL injection vulnerability in print.asp in Guo Xu Guos Posting System (GPS) 1.2 allows remote attackers to execute arbitrary SQL commands via the id parameter.
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Analysis
by VulDB Data Team • 08/19/2024
The vulnerability identified as CVE-2007-0554 represents a critical SQL injection flaw within the Guo Xu Guos Posting System (GPS) version 1.2, specifically affecting the print.asp component. This weakness enables remote attackers to manipulate database queries through the id parameter, potentially leading to unauthorized access and data compromise. The vulnerability resides in the application's handling of user-supplied input without proper sanitization or validation mechanisms, creating an exploitable entry point for malicious actors seeking to execute arbitrary SQL commands against the underlying database system.
The technical exploitation of this vulnerability occurs when an attacker submits malicious input through the id parameter in the print.asp script. The application fails to properly escape or validate the input before incorporating it into SQL query construction, allowing attackers to inject additional SQL commands that are then executed by the database engine. This flaw directly maps to CWE-89, which categorizes SQL injection vulnerabilities as weaknesses in software that allows attackers to manipulate database queries through untrusted input. The vulnerability demonstrates poor input validation practices and inadequate parameter sanitization, common patterns that align with the ATT&CK technique T1071.004 for application layer protocol manipulation.
The operational impact of this vulnerability extends beyond simple data retrieval, as successful exploitation could enable attackers to extract sensitive information, modify database contents, delete records, or even escalate privileges within the database environment. Remote attackers could potentially gain access to user credentials, personal information, and other confidential data stored within the GPS system's database. The vulnerability's remote exploitability means that attackers do not require physical access to the system, making it particularly dangerous for web applications that are publicly accessible. This weakness could compromise the integrity and confidentiality of the entire system, especially if the database contains sensitive user information or business-critical data.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and parameterized queries to prevent SQL injection attacks. The most effective immediate fix involves modifying the print.asp script to use prepared statements or parameterized queries that separate SQL code from user input data. Additionally, implementing proper input sanitization techniques and employing web application firewalls can provide additional layers of protection. Organizations should also consider implementing the principle of least privilege for database accounts used by the application, ensuring that database access is restricted to only necessary operations. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other components of the system, as this flaw represents a common pattern that may exist elsewhere in the application codebase. The vulnerability highlights the importance of following secure coding practices and adhering to industry standards such as those outlined in the OWASP Top Ten project, which consistently identifies SQL injection as one of the most critical web application security risks requiring immediate attention and remediation.