CVE-2008-3321 in Maian Uploader
Summary
by MITRE
admin/index.php in Maian Uploader 4.0 and earlier allows remote attackers to bypass authentication and gain administrative access by sending an arbitrary uploader_cookie cookie.
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Analysis
by VulDB Data Team • 11/01/2024
The vulnerability described in CVE-2008-3321 represents a critical authentication bypass flaw within the Maian Uploader 4.0 content management system. This issue affects versions up to and including 4.0, where the application fails to properly validate authentication tokens, allowing malicious actors to escalate their privileges through manipulation of a specific cookie value. The vulnerability exists in the administrative interface at admin/index.php, which is responsible for handling user authentication and access control mechanisms.
The technical exploitation of this vulnerability relies on the predictable or easily guessable nature of the uploader_cookie cookie value. Attackers can craft or manipulate this cookie to gain administrative privileges without proper authentication credentials, effectively circumventing the intended access controls. This type of flaw falls under the category of weak session management and improper authentication validation, which are commonly classified as CWE-287 - Improper Authentication. The vulnerability demonstrates a fundamental weakness in how the application handles session tokens and validates user identity before granting administrative access.
The operational impact of this vulnerability is severe as it allows remote attackers to completely compromise administrative functions of the Maian Uploader system. Once authenticated as an administrator, attackers can perform any administrative action including uploading malicious files, modifying content, changing user permissions, accessing sensitive data, and potentially using the compromised system as a foothold for further attacks within the network. This authentication bypass enables attackers to maintain persistent access and conduct unauthorized operations without detection, making it particularly dangerous for web applications handling sensitive information.
Mitigation strategies for this vulnerability should focus on implementing proper session management practices and strengthening authentication mechanisms. Organizations should immediately upgrade to a patched version of Maian Uploader if available, as the vulnerability affects legacy software that likely lacks modern security features. The implementation of secure session token generation using cryptographically strong random values, proper session validation, and regular session expiration mechanisms would prevent similar issues. Additionally, network segmentation and monitoring of cookie usage patterns can help detect anomalous authentication attempts. This vulnerability aligns with ATT&CK technique T1078 - Valid Accounts, as it allows adversaries to gain access to legitimate administrative accounts through manipulation of authentication tokens rather than brute force or credential theft methods.