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Riello UPS Restricted Shell Bypass Vulnerability

🗓️ 20 Mar 2023 00:00:00Reported by Ricardo Jose Ruiz FernandezType 
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 zdt
🔗 0day.today👁 215 Views

Riello UPS SSH vulnerability allows bypassing restricted shell to access O

Code
I. VULNERABILITY
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Riello UPS systems allow to easily escape the configuration shell and get access to the operating system

II. VENDOR
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Riello (https://www.riello-ups.es/)

III. DESCRIPTION
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Riello UPS systems allow SSH access to configure the device, sometimes with the default credentials "admin:admin".

Using the "-t bash" or "-t /bin/bash" paramters it is possible to escape the restricted shell and get access to the operating system:

ssh [email protected] -t bash

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