CVE-2008-1850 in Osiaffiliate
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in login.php in Omnistar Interactive OSI Affiliate allow remote attackers to inject arbitrary web script or HTML via the (1) login, (2) profile, (3) profile2, and (4) ref parameters.
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Analysis
by VulDB Data Team • 09/02/2017
The CVE-2008-1850 vulnerability represents a critical cross-site scripting flaw discovered in the login.php script of Omnistar Interactive OSI Affiliate software. This vulnerability classifies under CWE-79 Improper Neutralization of Input During Web Page Generation, which specifically addresses the failure to properly sanitize user inputs before incorporating them into web page content. The flaw affects four distinct parameter vectors including login, profile, profile2, and ref parameters, creating multiple attack surfaces for malicious actors to exploit.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding mechanisms within the affiliate management system. When user-supplied data is directly incorporated into the web page response without proper sanitization, attackers can inject malicious scripts that execute in the context of other users' browsers. This particular vulnerability demonstrates a classic XSS attack pattern where the attacker crafts malicious input containing script tags or other HTML elements that get rendered as part of the legitimate web page content. The attack occurs during the authentication and profile management processes, making it particularly dangerous as it can target users who are already authenticated within the system.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable attackers to perform session hijacking, steal sensitive user credentials, redirect victims to malicious sites, or even execute arbitrary commands within the victim's browser context. The multi-parameter nature of the vulnerability increases its exploitability since attackers can leverage any of the four affected parameters to deliver their malicious payloads. This creates a significant risk for affiliate marketers who may inadvertently expose their sensitive business data or customer information. The vulnerability affects the core authentication and profile management functionality of the system, potentially allowing unauthorized access to affiliate accounts and compromising the integrity of the entire affiliate network.
Organizations should implement comprehensive input validation and output encoding strategies to address this vulnerability. The recommended mitigation approaches include implementing strict input sanitization for all user-supplied parameters, utilizing proper HTML entity encoding before rendering user data, and implementing Content Security Policy headers to limit script execution. Additionally, the system should employ proper parameter validation and ensure that all input data undergoes rigorous sanitization before being processed or displayed. This vulnerability aligns with ATT&CK technique T1059.001 Command and Scripting Interpreter: PowerShell, as it enables attackers to execute malicious scripts through web-based interfaces. The remediation process should involve thorough code review of all web application input handling mechanisms and implementation of secure coding practices to prevent similar vulnerabilities in future development cycles.