CVE-2007-6645 in Joomla
Summary
by MITRE
Unspecified vulnerability in Joomla! before 1.5 RC4 allows remote authenticated users to gain privileges via unspecified vectors, aka "registered user privilege escalation vulnerability."
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Analysis
by VulDB Data Team • 07/30/2021
The vulnerability identified as CVE-2007-6645 represents a critical privilege escalation flaw within the Joomla environment, creating a pathway for these users to elevate their privileges beyond their intended access levels. The issue stems from inadequate access control mechanisms that fail to properly validate user permissions during critical operations, allowing malicious actors with legitimate user credentials to exploit weaknesses in the permission system. This flaw fundamentally undermines the security model of Joomla! by enabling unauthorized privilege expansion through legitimate user accounts.
The technical nature of this vulnerability aligns with CWE-276, which addresses improper privilege management in software systems. The flaw likely manifests through insufficient input validation or inadequate session management processes that permit authenticated users to manipulate system parameters or access restricted functionality without proper authorization. Attackers exploiting this vulnerability can potentially gain access to administrative controls, modify content, alter user permissions, or access sensitive system information that should remain restricted to authorized personnel. The unspecified vectors suggest that the vulnerability may be present across multiple attack surfaces within the Joomla! framework, potentially involving various components such as user management modules, access control lists, or session handling mechanisms.
The operational impact of this privilege escalation vulnerability is substantial for organizations relying on Joomla! for their web presence. Once exploited, the vulnerability allows attackers to assume administrative roles within the system, potentially leading to complete system compromise, data breaches, or unauthorized modifications to website content. Organizations may experience reputational damage, regulatory compliance violations, and financial losses due to unauthorized access to sensitive information or system manipulation. The vulnerability particularly affects websites where user registration is enabled and where registered users have access to system functions that should be restricted to administrators or privileged personnel.
Mitigation strategies for this vulnerability require immediate implementation of the official Joomla! 1.5 RC4 release or subsequent patches that address the privilege escalation flaw. System administrators should conduct comprehensive security assessments to identify any compromised accounts and implement enhanced monitoring for suspicious user activities. The security configuration should include regular access control reviews, session management improvements, and implementation of additional authentication layers where possible. Organizations should also consider implementing network segmentation, intrusion detection systems, and regular security audits to prevent exploitation of similar vulnerabilities. This vulnerability serves as a reminder of the critical importance of maintaining up-to-date security patches and conducting thorough security reviews of content management systems to prevent unauthorized privilege escalation attacks that could compromise entire web infrastructures.