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

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CVE-2022-25213

Severity CVSS v4.0:
Pending analysis
Type:
CWE-798 Use of Hard-coded Credentials
Publication date:
10/03/2022
Last modified:
08/08/2023

Description

Improper physical access control and use of hard-coded credentials in /etc/passwd permits an attacker with physical access to obtain a root shell via an unprotected UART port on the device. The same port exposes an unauthenticated Das U-Boot BIOS shell.

Impact

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

Base Score: 6.80 MEDIUM
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Physical
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
6.80
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
7.20
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:phicomm:k2_firmware:*:*:*:*:*:*:*:* 22.5.9.163 (including)
cpe:2.3:h:phicomm:k2:-:*:*:*:*:*:*:*
cpe:2.3:o:phicomm:k3_firmware:*:*:*:*:*:*:*:* 21.5.37.246 (including)
cpe:2.3:h:phicomm:k3:-:*:*:*:*:*:*:*
cpe:2.3:o:phicomm:k3c_firmware:*:*:*:*:*:*:*:* 32.1.15.93 (including)
cpe:2.3:h:phicomm:k3c:-:*:*:*:*:*:*:*
cpe:2.3:o:phicomm:k2g_firmware:*:*:*:*:*:*:*:* 22.6.3.20 (including)
cpe:2.3:h:phicomm:k2g:-:*:*:*:*:*:*:*
cpe:2.3:o:phicomm:k2p_firmware:*:*:*:*:*:*:*:* 20.4.1.7 (including)
cpe:2.3:h:phicomm:k2p:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools