Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2024-47943

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
15/10/2024
Last modified:
17/03/2025

Description

The firmware upgrade function in the admin web interface of the Rittal IoT Interface &amp; CMC III Processing Unit devices checks if <br /> the patch files are signed before executing the containing run.sh <br /> script. The signing process is kind of an HMAC with a long string as key<br /> which is hard-coded in the firmware and is freely available for <br /> download. This allows crafting malicious "signed" .patch files in order <br /> to compromise the device and execute arbitrary code.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL

References to Advisories, Solutions, and Tools