CVE-2011-1524 in LiveUpdate Administrator
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the management login GUI page in Symantec LiveUpdate Administrator (LUA) before 2.3 allows remote attackers to inject arbitrary web script or HTML via the username field, as demonstrated by injecting an IFRAME element into the event log, a different vulnerability than CVE-2011-0545.
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Analysis
by VulDB Data Team • 12/28/2024
The CVE-2011-1524 vulnerability represents a critical cross-site scripting flaw discovered in Symantec LiveUpdate Administrator version 2.2 and earlier. This vulnerability specifically targets the management login graphical user interface page, creating a dangerous attack vector that enables remote adversaries to execute malicious web scripts and HTML code within the context of affected systems. The flaw manifests when attackers exploit the username field input parameter, allowing them to inject harmful content that gets processed and displayed within the application's event log functionality. This particular vulnerability operates independently from CVE-2011-0545, which addresses different attack surfaces within the same product ecosystem, highlighting the comprehensive nature of security weaknesses present in Symantec's LiveUpdate Administrator platform during this period. The vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that allows attackers to inject client-side scripts into web pages viewed by other users.
The technical exploitation of this vulnerability occurs through the manipulation of the username field during the login process, where malicious input containing HTML or JavaScript code gets improperly sanitized or validated. When the application processes this input and subsequently displays it within the event log, the injected code executes in the context of other users' browsers who view the log entries. This creates a persistent XSS attack scenario where the malicious script can perform actions such as stealing session cookies, redirecting users to malicious websites, or performing unauthorized actions on behalf of authenticated users. The vulnerability's impact is particularly concerning because it affects the administrative interface, which typically has elevated privileges and access to sensitive system information. Attackers can leverage this weakness to gain unauthorized access to administrative functions, potentially leading to complete system compromise and data breaches.
The operational implications of CVE-2011-1524 extend beyond simple script injection, as it enables attackers to establish persistent footholds within organizations that rely on Symantec LiveUpdate Administrator for software distribution and system management. This vulnerability can be exploited in various attack scenarios including credential theft, session hijacking, and privilege escalation attacks that can ultimately lead to complete system takeover. The vulnerability's presence in the event log functionality means that even after the initial attack, the malicious code continues to execute whenever users view the affected log entries, creating a long-term threat vector. Organizations using affected versions of LiveUpdate Administrator face significant risk of unauthorized access to their software update management systems, potentially compromising their entire software distribution infrastructure and exposing them to further attacks that could leverage the compromised administrative access. The vulnerability's exploitation aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter, as attackers can execute malicious code through the web interface.
Mitigation strategies for CVE-2011-1524 should prioritize immediate software updates to Symantec LiveUpdate Administrator version 2.3 or later, which contain the necessary patches to address this XSS vulnerability. Organizations should implement comprehensive input validation and output encoding mechanisms to prevent malicious code injection, particularly focusing on the username field and other user-controllable input parameters. Security teams should also consider implementing web application firewalls and content security policies to detect and block suspicious script injection attempts. Regular security assessments and penetration testing of administrative interfaces should be conducted to identify similar vulnerabilities that could exist in other components of the software ecosystem. Additionally, organizations should establish proper monitoring procedures for event log entries to detect potential exploitation attempts and implement least-privilege access controls for administrative functions to minimize the potential impact of successful attacks. The vulnerability serves as a reminder of the critical importance of secure coding practices and regular security updates in enterprise software management systems, particularly those handling administrative functions and sensitive system information.