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CVE-2018-6908: Rainmachine Mini 8 Firmware: Authentication bypass
CVE-2018-6908 is rated critical with a CVSS v3.0 base score of 9.8 and NVD lists 2 affected products, including Rainmachine Mini 8 Firmware. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.
Vulnerability description
An authentication bypass vulnerability exists in the Green Electronics RainMachine Mini-8 (2nd Generation) and Touch HD 12 web application allowing an unauthenticated attacker to perform authenticated actions on the device via a 127.0.0.1:port value in the HTTP 'Host' header, as demonstrated by retrieving credentials.
Severity breakdown
CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Underlying weakness
CWE-287: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected products
- Rainmachine Mini 8 Firmware: from 4.0.539 up to and including 4.0.975
- Rainmachine Touch Hd 12 Firmware: from 4.0.539 up to and including 4.0.974