CVE-2012-0231 in Intelligent Platforms Proficy Plant Applications
Summary
by MITRE
PRLicenseMgr.exe in the Proficy Server License Manager in GE Intelligent Platforms Proficy Plant Applications 5.0 and earlier allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted TCP session on port 12401.
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Analysis
by VulDB Data Team • 01/17/2018
The vulnerability identified as CVE-2012-0231 affects the Proficy Server License Manager component within GE Intelligent Platforms Proficy Plant Applications version 5.0 and earlier. This flaw exists in the PRLicenseMgr.exe process which manages licensing for industrial automation software. The vulnerability manifests through a specific TCP service listening on port 12401, which serves as the attack vector for remote exploitation. The affected system represents a critical component in industrial control systems where licensing management directly impacts operational availability and security posture.
The technical implementation of this vulnerability stems from improper input validation within the license manager's network handling code. When processing TCP connections on port 12401, the PRLicenseMgr.exe process fails to properly sanitize incoming data structures, leading to memory corruption conditions that can result in either denial of service or arbitrary code execution. This represents a classic buffer overflow scenario where crafted malformed data can overwrite memory segments beyond intended boundaries. The vulnerability operates at the application layer protocol level and demonstrates poor defensive programming practices that allow attackers to manipulate memory layout through network communication.
The operational impact of this vulnerability extends beyond simple service disruption to potentially compromise entire industrial control environments. A successful exploitation could allow remote attackers to execute malicious code with the privileges of the license manager service, potentially leading to complete system compromise. The denial of service aspect directly impacts industrial operations by preventing legitimate license management activities, which could halt production processes or disable critical automation functions. Given that this affects industrial control systems, the consequences can be severe and potentially life-threatening in critical infrastructure environments.
Mitigation strategies for CVE-2012-0231 should prioritize immediate patching of affected systems through GE's official security updates. Network segmentation and firewall rules should be implemented to restrict access to port 12401 from untrusted networks, effectively reducing the attack surface. The principle of least privilege should be enforced by running the license manager service with minimal required permissions and ensuring that only authorized personnel can access the system. Regular vulnerability assessments and penetration testing should be conducted to identify similar flaws in industrial control system components, as this vulnerability aligns with CWE-121 which addresses stack-based buffer overflow conditions. Organizations should also consider implementing network monitoring solutions to detect anomalous TCP traffic patterns on port 12401 that might indicate exploitation attempts. The ATT&CK framework categorizes this vulnerability under T1203 - Exploitation for Client Execution, highlighting the need for both defensive measures and operational security improvements to prevent unauthorized access to industrial control system licensing components.