CVE-2006-4502 in Ezportal Ztml Cms
Summary
by MITRE
ezPortal/ztml CMS 1.0 allows remote attackers to bypass authentication controls via a direct request to the "Administration Area" script.
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Analysis
by VulDB Data Team • 09/22/2017
The vulnerability described in CVE-2006-4502 represents a critical authentication bypass flaw within the ezPortal/ztml Content Management System version 1.0. This issue stems from improper access control implementation that allows unauthenticated remote attackers to directly access administrative functions without proper credential verification. The vulnerability specifically affects the Administration Area script, which should normally require valid authentication before granting access to sensitive administrative functions. The flaw exists because the system fails to properly validate user permissions or session states before executing administrative operations, creating a direct pathway for malicious actors to bypass the intended security controls.
From a technical perspective, this vulnerability manifests as a failure in the application's access control mechanisms, which is categorized under CWE-285 - Improper Authorization. The flaw enables attackers to directly request administrative scripts without undergoing the normal authentication process, effectively creating a backdoor into the system's management interface. This type of vulnerability is particularly dangerous because it allows remote code execution capabilities through administrative functions, potentially enabling attackers to modify system configurations, upload malicious files, or extract sensitive data from the CMS. The vulnerability's impact is amplified by the fact that it operates entirely through direct HTTP requests, requiring no complex exploitation techniques or local system access.
The operational implications of this vulnerability are severe for organizations utilizing ezPortal/ztml CMS 1.0, as it provides attackers with complete administrative control over the affected system. Once exploited, attackers can manipulate content, modify user accounts, install malware, or perform other malicious activities that compromise the integrity and availability of the web application. The vulnerability affects the system's confidentiality, integrity, and availability principles of the CIA triad, as unauthorized access can lead to data breaches, service disruption, and system compromise. Additionally, this vulnerability aligns with ATT&CK technique T1078 - Valid Accounts, as attackers can leverage the administrative access to maintain persistence and escalate privileges within the compromised environment.
Organizations should implement immediate mitigations to address this vulnerability, including applying the latest security patches from the vendor if available, or implementing network-level restrictions to prevent direct access to administrative scripts. The recommended approach involves configuring web server access controls to restrict direct access to administrative directories and files, implementing proper authentication checks at all entry points, and deploying web application firewalls to detect and block suspicious requests. Security teams should also conduct thorough audits of the CMS configuration to ensure that administrative functions are properly protected and that no unnecessary direct access paths exist. Regular security assessments and vulnerability scanning should be performed to identify similar access control flaws in other applications and systems within the organization's infrastructure.