CVE-2003-0403 in Content Suite
Summary
by MITRE
Vignette StoryServer 5 and Vignette V/5 allows remote attackers to read and modify license information, and cause a denial of service (service halt) by directly accessing the /vgn/license template.
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Analysis
by VulDB Data Team • 10/29/2024
The vulnerability identified as CVE-2003-0403 affects Vignette StoryServer 5 and Vignette V/5 content management systems, representing a critical security flaw in the software's license management functionality. This issue stems from inadequate access controls and authentication mechanisms within the system's template processing architecture, specifically exposing the /vgn/license endpoint to unauthorized remote access. The vulnerability allows malicious actors to directly manipulate license information and potentially disrupt service availability through deliberate exploitation of this unprotected interface.
The technical flaw manifests through the absence of proper authorization checks when accessing the /vgn/license template endpoint. This template processing mechanism lacks sufficient authentication verification, permitting any remote attacker to access and modify license data without proper credentials or privileges. The vulnerability operates at the application layer, exploiting weaknesses in the web application's security architecture that should have enforced strict access controls for administrative functions. This represents a classic example of insufficient authorization as defined by CWE-285, where the system fails to properly verify that the requesting entity has adequate permissions for the requested operation.
The operational impact of this vulnerability extends beyond simple information disclosure to encompass full administrative control over the licensing subsystem. Remote attackers can manipulate license keys, potentially enabling them to bypass licensing restrictions or create fraudulent license entries that could compromise the software's integrity. Additionally, the vulnerability enables denial of service conditions where malicious actors can cause service halts by modifying critical license parameters that the application relies upon for proper operation. This disruption capability aligns with attack patterns described in the ATT&CK framework under privilege escalation and denial of service tactics, where adversaries exploit weak access controls to gain unauthorized system influence.
Organizations running affected Vignette systems face significant risks including unauthorized license modification, potential service disruption, and possible unauthorized access to administrative functions. The vulnerability essentially provides a backdoor into the licensing management system that could be exploited to undermine the software's commercial licensing model and potentially compromise the entire application environment. Security practitioners should consider this vulnerability in the context of broader application security practices, particularly focusing on template security and access control implementation. The flaw demonstrates the critical importance of securing all application endpoints, even those that might seem innocuous or administrative in nature, as they often provide pathways for more extensive exploitation.
Mitigation strategies should focus on implementing proper authentication and authorization controls for all template endpoints, particularly those related to system administration and licensing functions. Organizations should deploy network segmentation to restrict access to sensitive endpoints, implement robust input validation for template parameters, and ensure that all administrative interfaces require proper authentication before allowing any operations. The vulnerability also highlights the need for regular security assessments of web application components to identify and remediate similar access control weaknesses that could provide unauthorized access to critical system functions. Patch management and vendor security advisories should be prioritized to address this and related vulnerabilities in the affected software versions.