CVE-2012-6600 in PAN-OS
Summary
by MITRE
The device-management command-line interface in Palo Alto Networks PAN-OS 4.0.x before 4.0.9 and 4.1.x before 4.1.2 allows remote authenticated users to execute arbitrary commands via unspecified vectors, aka Ref ID 34502.
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Analysis
by VulDB Data Team • 01/07/2022
The vulnerability identified as CVE-2012-6600 represents a critical command injection flaw within the device-management command-line interface of Palo Alto Networks PAN-OS operating systems. This security weakness affects versions 4.0.x prior to 4.0.9 and 4.1.x prior to 4.1.2, creating a significant attack surface for authenticated remote adversaries who can leverage this vulnerability to execute arbitrary code on affected systems. The issue stems from insufficient input validation and sanitization mechanisms within the CLI processing logic, which fails to properly handle maliciously crafted command sequences that could be interpreted and executed by the underlying system shell.
The technical exploitation of this vulnerability occurs through unspecified vectors that likely involve manipulation of command-line arguments or input parameters passed to the device management interface. Attackers with valid authentication credentials can craft specially formatted inputs that bypass normal validation checks and are subsequently interpreted by the system as legitimate commands. This type of vulnerability maps directly to CWE-77 and CWE-94 within the Common Weakness Enumeration catalog, representing command injection and code injection weaknesses respectively. The attack pattern aligns with ATT&CK technique T1059.004 which describes the use of command and script interpreters for execution, specifically targeting the command-line interface as a vector for code execution.
The operational impact of this vulnerability extends beyond simple privilege escalation to encompass complete system compromise and potential network infiltration. An authenticated attacker could execute arbitrary commands with the privileges of the affected service account, potentially leading to unauthorized access to network traffic, configuration modifications, or data exfiltration. The remote nature of the attack means that adversaries do not require physical access to the device, making this vulnerability particularly dangerous in networked environments where device management interfaces are accessible from multiple locations. The affected PAN-OS versions represent a broad range of network security appliances including next-generation firewalls that form the core of many enterprise security infrastructures, amplifying the potential scope of impact.
Organizations should immediately implement mitigations including applying the vendor-provided security patches and updates that address this specific vulnerability. The remediation process requires careful planning to ensure that the patch deployment does not disrupt critical network operations while maintaining security posture. Network segmentation strategies should be employed to limit access to management interfaces, implementing multi-factor authentication and strict access controls for device management functions. Additionally, continuous monitoring of system logs for suspicious command execution patterns and implementing intrusion detection systems can help identify potential exploitation attempts. Security teams should also conduct thorough vulnerability assessments to identify any other potentially affected systems and ensure that proper network hygiene practices are maintained to prevent lateral movement in case of successful exploitation. The vulnerability highlights the importance of maintaining up-to-date security patches and implementing defense-in-depth strategies to protect critical network infrastructure components.