CVE-2009-4830 in OpenX
Summary
by MITRE
Unspecified vulnerability in OpenX 2.8.1 and 2.8.2 allows remote attackers to bypass authentication and obtain access to an Administrator account via unknown vectors, possibly related to www/admin/install.php, www/admin/install-plugins.php, and other www/admin/ files.
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Analysis
by VulDB Data Team • 09/08/2021
The vulnerability identified as CVE-2009-4830 represents a critical authentication bypass flaw within OpenX versions 2.8.1 and 2.8.2 that enables remote attackers to gain unauthorized administrative access to affected systems. This issue stems from unspecified vectors within the administrative installation components of the platform, particularly affecting files located in the www/admin/ directory including install.php and install-plugins.php. The vulnerability's classification as an authentication bypass aligns with common security weaknesses that fall under CWE-287, which addresses improper authentication mechanisms in software applications. The attack surface is particularly concerning as it targets the administrative interface of the advertising platform, which typically contains sensitive configuration data and user management capabilities.
The technical exploitation of this vulnerability occurs through manipulation of the installation process files that are designed to be accessible during the initial setup of the OpenX platform. Attackers can potentially leverage these administrative installation scripts to bypass normal authentication procedures and directly assume administrative privileges without proper credentials. The unspecified nature of the exact attack vectors suggests that multiple pathways within the administrative framework may be susceptible to exploitation, particularly those related to the installation and plugin management components. This type of vulnerability often relates to improper session handling, insecure direct object references, or flawed access control mechanisms that allow unauthorized users to escalate their privileges within the application.
The operational impact of CVE-2009-4830 extends beyond simple unauthorized access to include potential data compromise, system manipulation, and complete administrative control over affected OpenX deployments. Once authenticated as an administrator, an attacker can modify advertising campaigns, alter user permissions, access sensitive financial data, and potentially use the platform as a launch point for further attacks against the broader network infrastructure. The vulnerability affects organizations that rely on OpenX for digital advertising management, potentially exposing them to significant financial loss and reputational damage. From an ATT&CK framework perspective, this vulnerability maps to privilege escalation techniques and initial access vectors, specifically representing a path to lateral movement within compromised environments. The risk is amplified by the fact that these vulnerable versions were widely deployed in enterprise environments, creating a substantial attack surface for threat actors.
Mitigation strategies for this vulnerability require immediate patching of affected OpenX installations to versions that address the authentication bypass flaw. Organizations should implement network segmentation to limit access to administrative installation files and consider disabling or removing these components from production environments. Security monitoring should focus on detecting unauthorized access attempts to administrative interfaces and unusual patterns in installation-related activities. The remediation process should include comprehensive access control reviews to ensure that only authorized personnel can access administrative functions, along with regular security assessments of web application components to identify similar vulnerabilities. Additionally, implementing web application firewalls and intrusion detection systems can help detect and prevent exploitation attempts targeting these specific administrative endpoints.