CVE-2008-6487 in DigiAffiliate
Summary
by MITRE
Multiple SQL injection vulnerabilities in login.asp in Digiappz DigiAffiliate 1.4 and earlier allow remote attackers to execute arbitrary SQL commands via the (1) admin and (2) password fields.
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Analysis
by VulDB Data Team • 11/10/2024
The vulnerability identified as CVE-2008-6487 represents a critical security flaw in the Digiappz DigiAffiliate 1.4 web application, specifically within the login.asp component. This issue stems from inadequate input validation and sanitization mechanisms that fail to properly handle user-supplied data before incorporating it into SQL database queries. The vulnerability affects the authentication system where the application processes administrator login credentials through the admin and password parameters, creating an attack surface that malicious actors can exploit to gain unauthorized access to the system's backend database infrastructure.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes SQL injection flaws as weaknesses in software that allows attackers to manipulate database queries through malicious input. The flaw occurs because the application directly concatenates user input values from the admin and password fields into SQL command strings without proper parameterization or input sanitization. This allows attackers to inject malicious SQL syntax that can alter the intended query execution flow, potentially enabling them to bypass authentication mechanisms, extract sensitive database information, or even execute administrative commands on the underlying database server.
From an operational impact perspective, this vulnerability presents a severe risk to the confidentiality, integrity, and availability of the DigiAffiliate system. Remote attackers can exploit these SQL injection points to authenticate as administrators without proper credentials, potentially gaining full control over the affiliate marketing platform. The consequences extend beyond simple unauthorized access, as successful exploitation could lead to data breaches involving sensitive user information, financial records, and affiliate commission data. Additionally, attackers might leverage this vulnerability to modify or delete critical database entries, disrupt system operations, or establish persistent backdoors within the application infrastructure.
The attack vector for this vulnerability is particularly concerning as it requires no prior authentication or privileged access to exploit. Attackers can simply craft malicious input strings containing SQL injection payloads in the admin and password fields during the login process, making the vulnerability accessible to anyone with network access to the application. This characteristic places the system at significant risk in environments where the application is exposed to the internet or untrusted networks. The vulnerability also demonstrates poor security practices in input handling and database interaction that violate fundamental security principles outlined in various cybersecurity frameworks and best practices.
Effective mitigation strategies for this vulnerability should focus on implementing proper input validation and parameterized query execution throughout the application code. Organizations should immediately upgrade to the latest version of DigiAffiliate where this vulnerability has been addressed, as the vendor likely released patches or updates to resolve the SQL injection issues. Additionally, implementing proper input sanitization, using prepared statements or parameterized queries, and employing web application firewalls can provide additional layers of protection. Security monitoring and regular vulnerability assessments should be conducted to identify similar weaknesses in other components of the system, ensuring comprehensive protection against SQL injection attacks and maintaining compliance with industry security standards and regulatory requirements.