GPON ONT Home Gateway Router is vulnerable to authentication bypass (CVE-2018-10561)

critical Nessus Plugin ID 119776

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Synopsis

The remote host is affected by an authentication bypass vulnerability.

Description

An issue was discovered in GPON ONT Home Gateway Router web administration interface. It is possible to bypass authentication of web interface by using the following approach:
- http(s)://<Router IP>/<some file>?images/
- http(s)://<Router IP>/<some file>?style/
- http(s)://<Router IP>/<some file>?script/
- http(s)://<Router IP>/images/../<some file>
- http(s)://<Router IP>/style/../<some file>
- http(s)://<Router IP>/script/../<some file> For example, '/menu.html?images/' or '/GponForm/diag_FORM?images/' URI.
This allows an attacker to fully control the target device.

Solution

Consult your vendor for a patch or a workaround.

Plugin Details

Severity: Critical

ID: 119776

File Name: gpon_cve-2018-10561.nbin

Version: 1.90

Type: remote

Family: Web Servers

Published: 12/19/2018

Updated: 11/22/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

CVSS Score Source: CVE-2018-10561

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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

Temporal Vector: CVSS:3.0/E:H/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: 5/3/2018

CISA Known Exploited Vulnerability Due Dates: 4/21/2022

Reference Information

CVE: CVE-2018-10561

Detections

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