Summary
If the software runs as a service, a user with limited access can gain administrator privileges by starting a shell with administrator rights from the Import / Export configuration dialog.
Details
Impact
A malicious user could use this vulnerability to gain administrator privileges on the Computer running the Portico software.
Remediation
Phoenix Contact strongly recommends users to upgrade to Portico V3.0.8 or higher which fixes this vulnerability. The current version of Portico is available on the Phoenix Contact website external link.
Phoenix Contact strongly recommends protection measures against unauthorized access for network-compatible devices, solutions and PC-based software. For detailed information please refer to our application note:
Measures to protect network-compatible devices with communication interfaces, solutions and PC-based software against unauthorized access external link
Vulnerabilities 1
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Unscored —
Local Privilege Escalation can occur in PHOENIX CONTACT PORTICO SERVER through 3.0.7 when installed to run as a service.
Revision history
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#1
Initial revision.
References
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CERT@VDE Security Advisories for PHOENIX CONTACT
https://certvde.com/en/advisories/vendor/phoenixcontact/
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VDE-2020-013: PHOENIX CONTACT: Local Privilege Escalation in Portico Remote desktop control software - HTML
https://certvde.com/de/advisories/VDE-2020-013/