CVE-2003-0994 in Norton Internet Security
Summary
by MITRE
The GUI functionality for an interactive session in Symantec LiveUpdate 1.70.x through 1.90.x, as used in Norton Internet Security 2001 through 2004, SystemWorks 2001 through 2004, and AntiVirus and Norton AntiVirus Pro 2001 through 2004, AntiVirus for Handhelds v3.0, allows local users to gain SYSTEM privileges.
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Analysis
by VulDB Data Team • 03/09/2021
The vulnerability identified as CVE-2003-0994 represents a critical privilege escalation flaw within Symantec's LiveUpdate component that affected multiple security products from 2001 through 2004. This issue specifically targets the graphical user interface functionality of the interactive session within LiveUpdate 1.70.x through 1.90.x versions, which were integral components of Symantec's security suite including Norton Internet Security, SystemWorks, and various AntiVirus products. The flaw enables local attackers to escalate their privileges to the SYSTEM level, which represents the highest privilege level available in Windows operating systems and provides complete control over the affected system.
The technical nature of this vulnerability stems from improper privilege handling within the LiveUpdate GUI subsystem where the application fails to properly validate or restrict user privileges during interactive sessions. When users interact with the LiveUpdate interface, the system should maintain appropriate security boundaries between user-level processes and system-level operations. However, the vulnerability allows local users to exploit a flaw in the privilege management mechanism, potentially through malformed input or improper access control checks within the GUI framework. This type of vulnerability aligns with CWE-276, which addresses improper privilege management, and represents a classic case of insufficient privilege separation in application design.
The operational impact of CVE-2003-0994 is severe and far-reaching given the widespread deployment of affected Symantec products during the early 2000s. Organizations running these security applications were particularly vulnerable as the flaw could be exploited by any local user with access to the system, including potentially malicious insiders or attackers who had already gained initial access. Once escalated to SYSTEM privileges, attackers could bypass all security controls, modify system files, install backdoors, disable security features, and access all data on the system. This privilege escalation capability effectively neutralized the security protections provided by the affected products, creating a dangerous situation where the security tools themselves became attack vectors.
Mitigation strategies for this vulnerability required immediate patching of the LiveUpdate component through Symantec's official updates, as the flaw was addressed in subsequent versions of the software. System administrators should have implemented immediate monitoring for unauthorized privilege escalation attempts and reviewed system logs for signs of exploitation. The vulnerability demonstrates the critical importance of privilege separation in security applications and highlights the need for comprehensive security testing of GUI components. Organizations should have also considered implementing additional access controls and monitoring mechanisms to detect and prevent unauthorized privilege escalation attempts. This vulnerability serves as a reminder of the potential for security tools themselves to contain exploitable flaws and underscores the necessity of maintaining current security patches across all system components. The issue also aligns with ATT&CK technique T1068, which covers privilege escalation through local exploits, emphasizing the need for proper application privilege management and the potential for such flaws to undermine the very security protections they are designed to provide.