CVE-2012-6603 in PAN-OS
Summary
by MITRE
The web management UI in Palo Alto Networks PAN-OS before 3.1.12, 4.0.x before 4.0.10, and 4.1.x before 4.1.4 allows remote attackers to bypass authentication and obtain administrator privileges via unspecified vectors, aka Ref ID 37034.
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Analysis
by VulDB Data Team • 10/07/2018
The vulnerability identified as CVE-2012-6603 represents a critical authentication bypass flaw within the web management interface of Palo Alto Networks PAN-OS operating systems. This issue affects multiple versions including PAN-OS 3.1.11 and earlier, 4.0.9 and earlier, and 4.1.3 and earlier releases, creating a significant security risk for organizations relying on these network security appliances. The vulnerability allows remote attackers to escalate their privileges from standard user access to full administrator privileges without proper authentication mechanisms, effectively undermining the fundamental security model of the device.
The technical nature of this authentication bypass stems from unspecified vectors within the web management UI implementation that fail to properly validate user credentials or session management. This flaw operates at the application layer and specifically targets the authentication subsystem of the PAN-OS management interface, which is typically accessible over HTTPS on standard management ports. The vulnerability's impact is amplified by its remote exploitability, meaning attackers can leverage this weakness from external networks without requiring physical access or prior authentication credentials. This characteristic places the vulnerability squarely within the ATT&CK framework under the privilege escalation category, specifically targeting the T1068 technique for local privilege escalation and potentially T1566 for initial access through web application attacks.
The operational consequences of this vulnerability are severe and far-reaching for affected organizations. Successful exploitation allows attackers to gain complete administrative control over the firewall appliance, enabling them to modify firewall rules, access network traffic, disable security features, and potentially establish persistent backdoors within the network infrastructure. This level of access provides attackers with unprecedented control over network security policies and can lead to complete network compromise. Organizations using affected PAN-OS versions face significant risk of data breaches, unauthorized network access, and potential lateral movement within their networks. The vulnerability affects the core security posture of Palo Alto Networks devices, which are designed to be the primary defense mechanism for enterprise networks, making this flaw particularly dangerous.
Mitigation strategies for CVE-2012-6603 focus on immediate patching of affected PAN-OS versions to the recommended secure releases including PAN-OS 3.1.12, 4.0.10, and 4.1.4. Organizations should also implement network segmentation to limit access to management interfaces, enforce strict access controls through firewall rules, and monitor for suspicious authentication attempts or unauthorized administrative activities. The vulnerability aligns with CWE-287, which addresses improper authentication issues in software systems, and represents a classic example of how authentication bypass flaws can completely compromise system security. Network administrators should also consider implementing additional monitoring solutions to detect potential exploitation attempts and establish incident response procedures specifically addressing this type of privilege escalation vulnerability. Regular security assessments and vulnerability scanning should be conducted to identify other potential authentication-related weaknesses in the network infrastructure.