CVE-2006-1277 in @1 File Store
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in signup.php in @1 File Store 2006.03.07 allows remote attackers to inject arbitrary web script or HTML via the (1) real_name, (2) email, and (3) login parameters.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 07/08/2021
The vulnerability identified as CVE-2006-1277 represents a classic cross-site scripting flaw in the @1 File Store content management system version 2006.03.07. This security weakness specifically affects the signup.php script which processes user registration requests. The vulnerability stems from inadequate input validation and output encoding mechanisms within the application's user registration form. Attackers can exploit this flaw by submitting malicious script code through three distinct parameters: real_name, email, and login fields during the signup process. The vulnerability classification aligns with CWE-79 which describes improper neutralization of input during web output, making it a fundamental web application security issue. This particular implementation follows the patterns outlined in the ATT&CK framework under the Web Application Attack technique where adversaries leverage input validation weaknesses to execute malicious scripts in victim browsers.
The technical exploitation of this vulnerability occurs when the application fails to properly sanitize user inputs before storing or displaying them in web pages. When a malicious user submits crafted script code through the real_name, email, or login parameters, the application stores this data without adequate filtering or encoding. Subsequently, when the stored data is rendered in web pages or displayed to other users, the embedded script code executes in the browser context of unsuspecting victims. This creates a persistent cross-site scripting scenario where the malicious payload can be executed in the victim's browser session, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The vulnerability's impact is amplified because it affects core registration functionality that is frequently accessed by users, making it a high-value target for exploitation. The attack vector is particularly concerning as it requires no privileged access or authentication, enabling any remote attacker to exploit the flaw.
The operational impact of this vulnerability extends beyond simple script execution to encompass potential data breaches and system compromise. When successful, attackers can steal session cookies, redirect users to phishing sites, or inject malicious content that modifies the application's behavior. The vulnerability affects the confidentiality and integrity of user data since personal information submitted during registration can be compromised. Organizations running this version of @1 File Store face significant risk of user data exposure and potential unauthorized access to their systems. The vulnerability also creates a persistent threat vector as the malicious scripts remain active until the application is updated or the affected parameters are cleared from the database. This makes it particularly dangerous in environments where user registration is frequent and where the application handles sensitive user information. The vulnerability's persistence means that even after initial exploitation, the malicious code can continue to affect users until proper remediation occurs.
Mitigation strategies for CVE-2006-1277 should focus on immediate input validation and output encoding implementations. The most effective approach involves sanitizing all user inputs through proper validation routines that reject or escape potentially malicious content before storage or display. Implementing proper HTML entity encoding for all output rendered to web pages prevents script execution even if malicious content is somehow stored. Organizations should also consider implementing content security policies to limit the execution of inline scripts and restrict external resource loading. The recommended solution includes updating to a patched version of @1 File Store that addresses this vulnerability, as the vendor likely released security updates to resolve the input validation issues. Additionally, implementing web application firewalls with XSS detection capabilities can provide an additional layer of protection against exploitation attempts. Regular security auditing and input validation testing should be conducted to ensure similar vulnerabilities do not exist in other parts of the application. The vulnerability also underscores the importance of following secure coding practices and adhering to established security standards such as those defined in the OWASP Top Ten project which consistently ranks XSS as one of the most critical web application security risks.