CVE-2010-1369 in Classified Listings ASP
Summary
by MITRE
SQL injection vulnerability in signup.asp in Pre Classified Listings ASP allows remote attackers to execute arbitrary SQL commands via the email parameter.
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Analysis
by VulDB Data Team • 08/03/2024
The vulnerability identified as CVE-2010-1369 represents a critical SQL injection flaw within the Pre Classified Listings ASP application's signup.asp component. This weakness specifically manifests through the email parameter, which serves as an entry point for malicious actors to inject arbitrary SQL commands into the application's database layer. The vulnerability resides in the application's improper input validation mechanisms, where user-supplied data fails to undergo adequate sanitization before being incorporated into database queries. This flaw directly violates the fundamental security principle of input validation and demonstrates a classic example of insecure data handling practices that have been consistently documented in industry security frameworks.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious email parameter value that contains SQL payload syntax designed to manipulate the underlying database query execution. When the signup.asp script processes this malformed input, the application fails to properly escape or parameterize the user data, allowing the injected SQL commands to execute within the database context. This type of vulnerability maps directly to CWE-89 which defines SQL injection as the insertion of malicious SQL code into input fields for execution by the database. The attack vector operates entirely through the web interface, making it accessible to remote attackers without requiring any local system access or privileged credentials. The vulnerability essentially allows an attacker to bypass authentication mechanisms, extract sensitive data, modify database records, or even execute administrative commands on the database server itself.
The operational impact of CVE-2010-1369 extends beyond simple data compromise, potentially enabling full database server control and unauthorized access to sensitive user information. Attackers can leverage this vulnerability to perform unauthorized data extraction including user credentials, personal information, and classified listing details that the application manages. The vulnerability also creates opportunities for data corruption and service disruption, as malicious actors can manipulate database structures or execute destructive commands. From an enterprise security perspective, this vulnerability represents a significant risk to business continuity and regulatory compliance, particularly in environments where personal data protection regulations apply. The attack surface is further expanded by the fact that this vulnerability can be exploited through standard web browsing tools without requiring specialized exploitation frameworks, making it particularly dangerous for widespread compromise.
Mitigation strategies for CVE-2010-1369 must focus on implementing robust input validation and parameterized query execution throughout the application codebase. The primary defense mechanism involves adopting prepared statements or parameterized queries that separate SQL command structure from data values, effectively neutralizing the injection threat. Additionally, comprehensive input sanitization routines should be implemented to filter out potentially malicious characters and sequences before any database interaction occurs. Organizations should also implement proper error handling that prevents database-specific error messages from being exposed to end users, as these can provide attackers with valuable information for further exploitation. The remediation process should include thorough code review and penetration testing to identify similar vulnerabilities throughout the application, as this vulnerability type often appears in multiple locations within legacy applications. Network-level protections such as web application firewalls can provide additional defense-in-depth layers, though these should not be considered a substitute for proper code-level fixes. Security monitoring and log analysis should be enhanced to detect unusual database query patterns that may indicate exploitation attempts, aligning with the detection requirements outlined in the mitre attack framework for command and control activities.