Summary
Successful exploitation of these vulnerabilities by an authenticated user can allow root level arbitrary write permission, which can lead to remote code execution.
Vulnerabilities 6
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High 8.0
Emerson WirelessHART Gateway
The affected product is vulnerable to improper input validation in the restore file. This enables an attacker to provide malicious config files to replace any file on disk.
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High 8.0
Emerson WirelessHART Gateway
The affected product is vulnerable to a disclosure of peer username and password by allowing all users access to read global variables.
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High 8.0
Emerson WirelessHART Gateway
The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input.
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High 8.0
Emerson WirelessHART Gateway
The affected product is vulnerable to a missing permission validation on system backup restore, which could lead to account take over and unapproved settings change.
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High 8.0
Emerson WirelessHART Gateway
The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality.
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High 8.0
Emerson WirelessHART Gateway
The affected product is vulnerable to directory traversal due to mishandling of provided backup folder structure.
Revision history
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#1
ICSA-21-278-02 Emerson WirelessHART Gateway
References
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ICS Advisory ICSA-21-278-02 Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-21-278-02
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Recommended Practices
https://us-cert.cisa.gov/ics/alerts/ICS-ALERT-10-301-01
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Recommended Practices
https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B