CVE-2022-3703

ETIC Telecom Remote Access Server Insufficient Verification of Data Authenticity

Published Nov 10, 2022 CVSS 3.1 · 7.6 High EPSS < 1% KEV · Not listed
Description
All versions of ETIC Telecom Remote Access Server (RAS) 4.5.0 and prior’s web portal is vulnerable to accepting malicious firmware packages that could provide a backdoor to an attacker and provide privilege escalation to the device.

Remediation

Vendor Solution

ETIC Telecom recommends updating the firmware of the affected devices to the following versions: * ETIC Telecom RAS: version 4.7.0 or later https://www.etictelecom.com/en/softwares-download/ For the installed devices, ETIC Telecom recommends: * For all firmware versions 4.7.0 and above, there is a code signature verification for firmware packages. For versions prior to 4.7.0, to reduce the attack surface, we advise the user to verify: (1) That the downloaded firmware comes from a trusted source (ETIC Telecom web site), and (2) The hash of the firmware files.

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2022-43061 All versions of ETIC Telecom Remote Access Server (RAS) 4.5.0 and prior’s web portal is vulnerable to accepting malicious firmware packages that could provide a backdoor to an attacker and provide privilege escalation to the device.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description All versions of ETIC Telecom Remote Access Server (RAS) 4.5.0 and prior’s web portal is vulnerable to accepting malicious firmware packages that could provide a backdoor to an attacker and provide privilege escalation to the device. All versions of ETIC Telecom Remote Access Server (RAS) 4.5.0 and prior’s web portal is vulnerable to accepting malicious firmware packages that could provide a backdoor to an attacker and provide privilege escalation to the device.