CVE-2008-7172 in Lightweight news portal
Summary
by MITRE
Lightweight news portal (LNP) 1.0b does not properly restrict access to administrator functionality, which allows remote attackers to gain administrator privileges via direct requests to admin.php with the (1) potd_delete, (2) potd, (3) vote_update, (4) vote, or (5) modifynews actions.
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Analysis
by VulDB Data Team • 10/29/2024
The vulnerability identified as CVE-2008-7172 affects Lightweight News Portal version 1.0b, a web-based content management system designed for news dissemination. This flaw represents a critical access control weakness that undermines the security posture of the application by allowing unauthenticated attackers to escalate their privileges to administrative levels. The vulnerability stems from insufficient input validation and authorization checks within the application's administrative interface, specifically in the admin.php script that handles various administrative operations.
The technical implementation of this vulnerability involves improper access control mechanisms that fail to verify whether incoming requests originate from legitimate administrators. Attackers can exploit this weakness by directly accessing the admin.php endpoint with specific action parameters including potd_delete, potd, vote_update, vote, and modifynews. These parameters correspond to different administrative functions within the news portal, ranging from deleting featured news items to modifying voting systems and news content. The flaw demonstrates a classic lack of authentication and authorization checks, where the application does not properly validate user credentials or session tokens before executing privileged operations.
From an operational perspective, this vulnerability creates a severe risk landscape for organizations utilizing this news portal system. An attacker who discovers this vulnerability can gain complete administrative control over the news portal, enabling them to modify or delete news content, manipulate voting systems, delete featured news items, and potentially compromise the entire news distribution platform. The impact extends beyond simple content manipulation as administrators often have access to sensitive system configurations, user management capabilities, and potentially database access. This vulnerability directly violates the principle of least privilege and represents a failure in the application's security architecture.
The vulnerability aligns with CWE-285, which describes improper authorization in software systems, and maps to several ATT&CK techniques including privilege escalation and credential access. Organizations running this version of LNP face significant risk of data integrity compromise, content manipulation, and potential system takeover. The attack vector is particularly concerning as it requires no prior authentication credentials, making it easily exploitable by any remote attacker who can discover the vulnerable endpoint. This vulnerability highlights the critical importance of implementing robust access control mechanisms, proper input validation, and regular security assessments of web applications.
Recommended mitigations include immediate patching of the affected LNP version to address the access control vulnerabilities, implementing proper authentication and authorization checks for all administrative endpoints, and conducting thorough security reviews of all application interfaces. Organizations should also implement network segmentation, monitor for suspicious access patterns to administrative interfaces, and ensure that all web applications are regularly updated to address known security vulnerabilities. The incident underscores the necessity of following secure coding practices and implementing defense-in-depth strategies to protect against unauthorized access to administrative functions.