CVE-2012-6592 in PAN-OS
Summary
by MITRE
Palo Alto Networks PAN-OS before 3.1.10 and 4.0.x before 4.0.5 allows remote attackers to execute arbitrary commands via unspecified vectors, aka Ref ID 31091.
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Analysis
by VulDB Data Team • 10/06/2018
The vulnerability identified as CVE-2012-6592 represents a critical remote code execution flaw affecting Palo Alto Networks PAN-OS software versions prior to 3.1.10 and 4.0.x versions before 4.0.5. This vulnerability falls under the category of unspecified attack vectors, making it particularly dangerous as security professionals cannot predict the exact method of exploitation. The issue enables remote attackers to execute arbitrary commands on affected systems, potentially leading to complete system compromise and unauthorized access to network infrastructure. Such vulnerabilities are particularly severe in network security devices like firewalls, as they represent a direct pathway for attackers to bypass security controls and gain administrative access to critical network defenses.
The technical nature of this vulnerability stems from improper input validation and handling within the PAN-OS software architecture, creating opportunities for malicious actors to inject and execute unauthorized commands. The unspecified vectors suggest that multiple attack paths may exist, potentially involving different protocols or interfaces within the system. This type of flaw typically arises from inadequate sanitization of user inputs or insufficient access controls that allow unauthenticated or privileged command injection. The vulnerability aligns with CWE-77 and CWE-94 categories, which specifically address command injection and code execution flaws, respectively. These weaknesses are particularly dangerous because they can be exploited without requiring authentication, making them attractive targets for automated attacks and broadening their potential impact across network environments.
The operational impact of CVE-2012-6592 extends far beyond simple unauthorized access, as successful exploitation can result in complete network compromise and data breaches. Attackers leveraging this vulnerability could potentially establish persistent backdoors, exfiltrate sensitive network information, or disrupt network operations through denial-of-service conditions. The vulnerability affects network security appliances that serve as critical infrastructure components, meaning that compromise of these devices can lead to widespread security failures throughout an organization's network perimeter. Organizations relying on affected PAN-OS versions face significant risk of advanced persistent threats, as attackers can use the remote execution capability to maintain long-term access to network resources and conduct reconnaissance activities undetected.
Mitigation strategies for this vulnerability require immediate patching of affected PAN-OS versions to the recommended secure releases, specifically upgrading to PAN-OS 3.1.10 or 4.0.5 and later versions. Network administrators should also implement additional defensive measures including network segmentation, monitoring for suspicious command execution patterns, and implementing intrusion detection systems to identify potential exploitation attempts. Organizations should conduct comprehensive vulnerability assessments to identify all affected devices and ensure proper network access controls are in place to limit the attack surface. The remediation process should include thorough testing of patches in controlled environments before deployment to production systems, as well as verification that the patches have effectively resolved the vulnerability without introducing new issues. This vulnerability exemplifies the critical importance of maintaining up-to-date security software and following vendor security advisories to protect against known exploits in network infrastructure devices.