CVE-2006-4862 in Easypagecms
Summary
by MITRE
SQL injection vulnerability in default.aspx in easypage allows remote attackers to execute arbitrary SQL commands via the srch parameter in the Search page.
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Analysis
by VulDB Data Team • 09/22/2017
The vulnerability described in CVE-2006-4862 represents a critical SQL injection flaw within the easypage web application's default.aspx page. This vulnerability specifically affects the Search functionality where the srch parameter is processed without adequate input validation or sanitization measures. The flaw exists in the application's handling of user-supplied data that flows directly into SQL query construction, creating an avenue for malicious actors to manipulate database operations through crafted input sequences.
The technical exploitation of this vulnerability occurs when an attacker submits malicious SQL commands through the srch parameter in the Search page. The application fails to properly escape or parameterize the input before incorporating it into database queries, allowing attackers to inject arbitrary SQL code that executes within the database context. This type of vulnerability falls under CWE-89 which specifically addresses SQL injection flaws where untrusted data is directly included in SQL commands without proper sanitization. The vulnerability's impact is amplified by the fact that it operates within a default page that is likely accessible to all users, making it particularly dangerous for exploitation.
From an operational standpoint, this vulnerability enables remote attackers to execute unauthorized database operations including but not limited to data retrieval, modification, deletion, or even database schema enumeration. Attackers could potentially extract sensitive information such as user credentials, personal data, or business-critical information stored within the database. The attack vector is particularly concerning as it requires no special privileges or authentication to exploit, making it accessible to anyone who can access the Search page. This vulnerability directly maps to several ATT&CK techniques including T1071.004 for application layer protocol and T1213.002 for data from information repositories, as it allows for unauthorized access to database resources.
The remediation strategy for this vulnerability requires implementing proper input validation and parameterized queries throughout the application's codebase. All user-supplied input must be sanitized and validated before being incorporated into database operations, with a preference for parameterized queries or stored procedures that separate SQL code from data. Additionally, the application should implement proper error handling that does not expose database structure information to end users, and should employ principle of least privilege for database accounts used by the web application. Organizations should also consider implementing web application firewalls and input filtering mechanisms as additional protective layers. Regular security code reviews and penetration testing should be conducted to identify similar vulnerabilities in other parts of the application, as SQL injection flaws often occur in multiple locations within web applications. The vulnerability demonstrates the critical importance of input sanitization and proper database interaction patterns in preventing unauthorized access to sensitive data through application-level attacks.