CVE-2012-1038 in Mobile System Software
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the WebAAA login funtionality (wba_login.html) in Juniper Networks Mobility System Software (MSS) 7.6.x before 7.6.3, 7.7.x before 7.7.1, 7.5.x before 7.5.3, and other unspecified versions before 7.4 and 7.3 allows remote attackers to inject arbitrary web script or HTML via a crafted parameter name.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 08/11/2024
The CVE-2012-1038 vulnerability represents a critical cross-site scripting flaw within the WebAaa login functionality of Juniper Networks Mobility System Software. This vulnerability specifically affects multiple version ranges including 7.6.x before 7.6.3, 7.7.x before 7.7.1, 7.5.x before 7.5.3, and older versions before 7.4 and 7.3. The flaw resides in the wba_login.html component which handles authentication processes, making it a prime target for malicious actors seeking to compromise user sessions and execute unauthorized code within the context of affected web applications.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the login page's parameter handling mechanism. When users submit login requests with crafted parameter names, the system fails to properly escape or filter special characters that could be interpreted as HTML or JavaScript code. This insufficient sanitization creates an environment where attackers can inject malicious scripts that execute in the victim's browser context when the login page is rendered. The vulnerability operates at the application layer and specifically targets the authentication flow, making it particularly dangerous as it can be exploited during user login attempts when they are most likely to interact with the system.
The operational impact of this vulnerability extends beyond simple script injection, as it enables attackers to perform session hijacking, credential theft, and potentially gain unauthorized access to administrative functions. An attacker could craft malicious login parameters that, when processed by the vulnerable system, would execute scripts that steal cookies, redirect users to malicious sites, or even modify the login interface to capture user credentials. The vulnerability affects the core authentication mechanism of the mobility system, potentially compromising the entire security posture of networks relying on Juniper MSS software. According to CWE classification, this vulnerability maps to CWE-79 which specifically addresses cross-site scripting flaws, while ATT&CK framework categorizes this under TA0001 Initial Access and TA0002 Execution techniques.
Mitigation strategies for CVE-2012-1038 require immediate patch application to the affected versions of Juniper Networks Mobility System Software. Organizations should upgrade to the patched versions 7.6.3, 7.7.1, and 7.5.3, or newer releases that address the input validation issues. Beyond patching, network administrators should implement additional protective measures including web application firewalls, input validation rules, and regular security monitoring of login page parameters. The vulnerability demonstrates the importance of proper input sanitization and output encoding in web applications, particularly those handling authentication flows. Security teams should also conduct comprehensive vulnerability assessments of their mobility infrastructure to identify any other potential injection points and ensure that all authentication components properly validate and sanitize user inputs before processing them within the application context.