CVE-2006-6848 in ASPTicker
Summary
by MITRE
SQL injection vulnerability in admin.asp in ASPTicker 1.0 allows remote attackers to execute arbitrary SQL commands via the PATH_INFO, possibly related to the Password parameter.
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Analysis
by VulDB Data Team • 08/14/2024
The CVE-2006-6848 vulnerability represents a critical sql injection flaw in ASPTicker 1.0's administrative interface, specifically within the admin.asp script. This vulnerability arises from inadequate input validation and sanitization of user-supplied data, particularly when processing the PATH_INFO server variable. The flaw allows remote attackers to inject malicious sql commands directly into the application's database layer, potentially compromising the entire backend infrastructure. The vulnerability is particularly concerning as it targets the administrative interface, which typically possesses elevated privileges and access to sensitive data within the application's database. The attack vector leverages the PATH_INFO parameter, which is commonly used in web applications to pass additional path information to scripts, making it a legitimate and often overlooked input point for exploitation. The Password parameter mentioned in the description suggests that the vulnerability may be triggered through authentication-related inputs, potentially allowing attackers to bypass authentication mechanisms or manipulate user credentials within the system.
The technical exploitation of this vulnerability follows standard sql injection attack patterns where malicious input is concatenated directly into sql queries without proper sanitization or parameterization. When the application processes the PATH_INFO parameter through admin.asp, it likely constructs sql queries that incorporate this input directly into the database command execution. This creates an environment where attackers can manipulate the sql command structure by injecting sql metacharacters and commands that alter the intended query execution flow. The vulnerability falls under the CWE-89 category of sql injection, which is classified as a high-risk vulnerability in the CWE top 25 most dangerous software weaknesses. The attack can potentially lead to complete database compromise, unauthorized data access, data manipulation, or even remote code execution depending on the database system and underlying infrastructure configuration. The PATH_INFO processing mechanism introduces additional complexity as it represents a server-side variable that may not be properly sanitized or validated compared to traditional form parameters.
The operational impact of this vulnerability extends beyond simple data theft or manipulation, as it provides attackers with a pathway to establish persistent access to the administrative functions of the ASPTicker application. Successful exploitation could result in complete system compromise, allowing attackers to modify or delete critical application data, alter user accounts, or even gain access to underlying server resources. The administrative interface typically contains sensitive configuration data and user management capabilities, making this vulnerability particularly attractive to attackers seeking long-term access to the system. The remote nature of the attack means that exploitation can occur from any location without requiring physical access to the target system, making it a significant threat vector. Organizations using ASPTicker 1.0 would face potential data breaches, service disruption, and compliance violations if this vulnerability is exploited, particularly in environments where the application handles sensitive or regulated information. The vulnerability also represents a broader security issue related to legacy web application development practices that often lack proper input validation and sanitization mechanisms.
Mitigation strategies for CVE-2006-6848 should focus on immediate input validation and parameterization of all database queries within the affected application. The most effective approach involves implementing proper sql parameterization techniques that separate sql code from data, preventing malicious input from altering query structure. Organizations should also implement input sanitization measures that filter or escape special characters that could be used in sql injection attacks. The PATH_INFO parameter processing should be carefully reviewed and validated to ensure that only expected input patterns are accepted. Additionally, implementing proper access controls and authentication mechanisms within the administrative interface can limit the potential damage from successful exploitation attempts. Security monitoring and logging should be enhanced to detect unusual patterns in administrative access or database queries that might indicate exploitation attempts. Organizations should also consider implementing web application firewalls or intrusion detection systems that can identify and block sql injection attack patterns. The vulnerability highlights the importance of following secure coding practices and regular security assessments of legacy applications, as many of these systems were developed without modern security considerations in mind. This vulnerability aligns with ATT&CK technique T1190 for exploiting vulnerabilities in web applications and represents a classic example of how inadequate input validation can lead to critical system compromise.