Panasonic FPWIN Pro Vulnerabilities
Monitor4.2ICS-CERT ICSA-16-131-01Feb 11, 2016
Attack VectorLocal
Auth RequiredLow
ComplexityHigh
User InteractionRequired
Summary
FPWIN Pro versions 5.x, 6.x, and 7.122 or earlier contain memory corruption vulnerabilities (CWE-122, CWE-824, CWE-787, CWE-843) in file handling and input validation. A local attacker with user credentials who can interact with the application could cause arbitrary code execution with the privileges of the logged-in user. This affects the integrity of PLC programs stored in project files and the confidentiality of engineering data.
What this means
What could happen
An attacker with local access and user credentials could execute arbitrary code on the engineering workstation running FPWIN Pro, potentially allowing them to alter PLC program logic or steal project files containing sensitive process control configurations.
Who's at risk
This vulnerability affects organizations using Panasonic FPWIN Pro (versions 5.x, 6.x, and 7.122 or earlier) for PLC programming and configuration. Primary concern is for manufacturing plants, water treatment facilities, and power distribution systems that rely on Panasonic PLCs for critical control logic.
How it could be exploited
An attacker with a valid user account on the engineering workstation runs a specially crafted file or exploits a memory corruption flaw in FPWIN Pro's file handling. Once code executes in the context of the workstation, the attacker can modify ladder logic programs destined for Panasonic PLCs or access the credentials and network addresses stored in project files.
Prerequisites
- Local access to the engineering workstation
- Valid user credentials for the workstation or ability to convince a user to open a malicious file
- FPWIN Pro version 7.122 or earlier installed
- User interaction required to trigger the vulnerability (file opening or interaction with UI element)
no patch availablelocal access requireduser interaction requiredaffects engineering workstations that program safety-critical PLCs
Exploitability
Low exploit probability (EPSS 0.3%)
Affected products (3)
3 pending
ProductAffected VersionsFix Status
FPWIN Pro: 5.x5.xNo fix yet
FPWIN Pro: 6.x6.xNo fix yet
FPWIN Pro: <=7.122≤ 7.122No fix yet
Remediation & Mitigation
0/5
Do now
0/1WORKAROUNDEducate engineering staff not to open project files or attachments from untrusted sources
Schedule — requires maintenance window
0/2Patching may require device reboot — plan for process interruption
HARDENINGDisable execution of untrusted files and implement application whitelisting on engineering workstations
HOTFIXMonitor for any available patches from Panasonic and test in a sandbox environment before deploying to production
Long-term hardening
0/2HARDENINGIsolate FPWIN Pro engineering workstations from the general corporate network using a separate VLAN or air-gapped configuration
HARDENINGRestrict physical access to engineering workstations and enforce strong local account password policies
↑↓ Navigate · Esc Close
API:
/api/v1/advisories/755cad0b-c40f-48ce-a4c9-a5a3a69276d7