CVE-2007-0826 in Kisisel Site Forum.asp
Summary
by MITRE
SQL injection vulnerability in forum.asp in Kisisel Site 2007 allows remote attackers to execute arbitrary SQL commands via the forumid parameter.
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Analysis
by VulDB Data Team • 08/22/2024
The vulnerability identified as CVE-2007-0826 represents a critical SQL injection flaw within the Kisisel Site 2007 web application, specifically affecting the forum.asp component. This issue resides in the handling of user-supplied input through the forumid parameter, creating an avenue for malicious actors to manipulate database queries and potentially gain unauthorized access to sensitive information. The vulnerability stems from inadequate input validation and sanitization practices within the application's backend processing logic, allowing attackers to inject malicious SQL code that executes with the privileges of the web application's database connection.
The technical exploitation of this vulnerability occurs when an attacker submits a specially crafted forumid parameter value that contains SQL commands rather than expected numeric identifiers. The application fails to properly escape or validate this input before incorporating it into database queries, enabling the execution of arbitrary SQL statements. This flaw directly maps to CWE-89, which categorizes SQL injection vulnerabilities as a fundamental weakness in web application security. The attack vector is particularly dangerous because it allows for complete database compromise, enabling attackers to extract, modify, or delete sensitive data, including user credentials, personal information, and application configuration details.
From an operational perspective, this vulnerability poses severe risks to organizations using Kisisel Site 2007, as it provides remote attackers with the capability to perform unauthorized database operations without authentication. The impact extends beyond simple data theft to include potential system compromise, data corruption, and service disruption. Attackers can leverage this vulnerability to escalate privileges, create backdoors, or establish persistent access to the underlying database infrastructure. The vulnerability's remote nature means that exploitation can occur from any location with internet connectivity, making it particularly attractive to threat actors seeking to compromise web applications at scale. This aligns with ATT&CK technique T1190, which describes the exploitation of vulnerabilities in remote services to gain unauthorized access.
Mitigation strategies for CVE-2007-0826 require immediate implementation of proper input validation and parameterized queries. Organizations should implement strict input sanitization measures that reject or escape special characters in the forumid parameter, ensuring that only expected numeric values are processed. The most effective defense involves adopting prepared statements or parameterized queries that separate SQL code from data, preventing malicious input from being interpreted as executable commands. Additionally, implementing proper access controls and database permissions can limit the damage from successful exploitation attempts. Regular security auditing, input validation testing, and adherence to secure coding practices are essential for preventing similar vulnerabilities in future application development cycles. The remediation process should include comprehensive code review to identify and address other potential injection points throughout the application, as SQL injection vulnerabilities often occur in multiple locations within complex web applications.