GPON ONT Home Gateway Authenticated Remote Command Execution (CVE-2019-3919)

Medium Nessus Plugin ID 123013

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VPR Score: 5.9

Synopsis

The remote host is affected by an authenticated remote code execution vulnerability.

Description

An issue was discovered in GPON ONT Home Gateway Router web administration interface. A remote command execution vulnerability exists in /GponForm/usb_restore_Form?script/ component due to insufficient input validation. An authenticated, remote attacker can exploit this to escalate their permissions level and execute arbitrary commands with root privileges.
Note that Nessus has authenticated to GPON Home Gateway web interface by using supplied credentials or utilized an authentication bypass (CVE-2018-10561) issue in order to exploit this vulnerability.

Solution

Consult your vendor for a patch or a workaround.

See Also

https://www.tenable.com/security/research/tra-2019-09

Plugin Details

Severity: Medium

ID: 123013

File Name: gpon_cve-2019-3919.nbin

Version: 1.26

Type: remote

Family: Web Servers

Published: 2019/03/25

Updated: 2020/09/30

Dependencies: 119776, 119777

Risk Information

Risk Factor: Medium

VPR Score: 5.9

CVSS Score Source: CVE-2019-3919

CVSS v2.0

Base Score: 6.5

Temporal Score: 5.1

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:dasannetworks:gpon_router

Required KB Items: installed_sw/GPON HG

Exploit Available: true

Exploit Ease: Exploits are available

Exploited by Nessus: true

Vulnerability Publication Date: 2019/02/27

Reference Information

CVE: CVE-2019-3919