Summary
Successful exploitation of these vulnerabilities could allow an attacker access to the device, allowing monitoring of all communications sent to and from the device, modification of onboard relays, changing of configuration files, device instability, and a denial-of-service condition.
Vulnerabilities 8
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Critical 10.0
Remote Code Execution via buffer overflow in firmware update process
An unauthenticated attacker can send a specially crafted update file to the device that can overflow a buffer. This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, LP2500, LP4502, and EP4502 which contain firmware v…
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Critical 9.6
Remote Code Execution via command injection of the hostname
An unauthenticated attacker can update the hostname with a specially crafted name that will allow for shell commands to be executed during the core collection process. This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP…
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Critical 9.1
Arbitrary file write via authenticated OSDP file upload
An authenticated attacker can upload a file with a filename including “..” and “/” to achieve the ability to upload the desired file anywhere on the filesystem. This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, L…
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High 8.8
Command injection via Advanced Networking route add functionality
An authenticated attacker can send a specially crafted route to the “edit_route.cgi” binary and have it execute shell commands. This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, LP2500, LP4502, and EP4502 which c…
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High 7.5
Unauthenticated Firmware Upload and Arbitrary Reboot
An unauthenticated attacker could arbitrarily upload firmware files to the target device, ultimately causing a Denial-of-Service (DoS). This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, LP2500, LP4502, and EP4502…
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High 7.5
Denial-of-Service via internal structure overflow
An unauthenticated attacker can send a specially crafted unauthenticated HTTP request to the device that can overflow a buffer. This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, LP2500, LP4502, and EP4502 which c…
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High 7.5
User Account Deletion Unauthenticated
An unauthenticated attacker can send a specially crafted network packet to delete a user from the web interface. This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, LP2500, LP4502, and EP4502 which contain firmware…
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Medium 5.3
Unauthenticated homepage note modification
An unauthenticated attacker can send a specially crafted packets to update the “notes” section of the home page of the web interface. This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, LP2500, LP4502, and EP4502 w…
Revision history
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#1
ICSA-22-153-01 Carrier LenelS2 HID Mercury access panels
References
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ICS Advisory ICSA-22-153-01 Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-22-153-01
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Recommended Practices
https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
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Recommended Practices
https://www.cisa.gov/uscert/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B