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

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CVE-2022-27647

Severity CVSS v4.0:
Pending analysis
Type:
CWE-78 OS Command Injections
Publication date:
29/03/2023
Last modified:
06/04/2023

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of the name or email field provided to libreadycloud.so. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15874.

Impact

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

Base Score: 8.00 HIGH
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
8.00
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:netgear:cax80_firmware:*:*:*:*:*:*:*:* 2.1.3.7 (excluding)
cpe:2.3:h:netgear:cax80:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:lax20_firmware:*:*:*:*:*:*:*:* 1.1.6.34 (excluding)
cpe:2.3:h:netgear:lax20:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:mr60_firmware:*:*:*:*:*:*:*:* 1.1.6.124 (excluding)
cpe:2.3:h:netgear:mr60:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:mr80_firmware:*:*:*:*:*:*:*:* 1.1.6.14 (excluding)
cpe:2.3:h:netgear:mr80:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ms60_firmware:*:*:*:*:*:*:*:* 1.1.6.124 (excluding)
cpe:2.3:h:netgear:ms60:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ms80_firmware:*:*:*:*:*:*:*:* 1.1.6.14 (excluding)
cpe:2.3:h:netgear:ms80:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* 1.0.1.78 (excluding)
cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* 1.0.4.126 (excluding)

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


References to Advisories, Solutions, and Tools