Delta Controls enteliTOUCH 3.40.3935 Cookie User Password Disclosure Vendor: Delta Controls Inc. Product web page: https://www.deltacontrols.com Affected version: 3.40.3935 3.40.3706 3.33.4005 Summary: enteliTOUCH - Touchscreen Building Controller. Get instant access to the heart of your BAS. The enteliTOUCH has a 7-inch, high-resolution display that serves as an interface to your building. Use it as your primary interface for smaller facilities or as an on-the-spot access point for larger systems. The intuitive, easy-to-navigate interface gives instant access to manage your BAS. Desc: The application suffers from a cleartext transmission/storage of sensitive information in a Cookie. This allows a remote attacker to intercept the HTTP Cookie authentication credentials through a man-in-the-middle attack. Tested on: DELTA enteliTOUCH Vulnerability discovered by Gjoko 'LiquidWorm' Krstic @zeroscience Advisory ID: ZSL-2022-5704 Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5704.php 06.04.2022 -- GET /deltaweb/hmi_useredit.asp?ObjRef=BAC.1000.ZSL3&formAction=Edit HTTP/1.1 Host: 192.168.0.210 Cache-Control: max-age=0 User-Agent: Toucher/1.0 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://192.168.0.210/deltaweb/hmi_userconfig.asp Accept-Encoding: gzip, deflate Accept-Language: en-US,en;q=0.9 Cookie: Previous=; lastLoaded=; LastUser=DELTA; LogoutTime=10; UserInstance=1; UserName=DELTA; Password=LOGIN; LastGraphic=; LastObjRef=; AccessKey=DADGGEOFNILEJMBBCNDKFNJPHPPJDAEDGEBJACPEAPBHDCGPCAGNNDEOJIJEOPPLOEKCFMAFNHDJPHGACMDFMPFDNONPIJAHBBNAAIDMDHCCPMAJDELDNLOPBPDCKELJADDKICPMMPCNEOMBHMKIIBJHFAJKNKJFGDEOLPMGMNBEHFLNEDIFMJKMCJKBHPGGEMHJJGMOMAECDKDIIKGNDDGANIHDKPNACLMANGJAOBDNJCFGEIHIJICLPGOFFMDOOLOJCJPAPPKOJFCKFAHDDAGNLCAHKKKGHCBODHBNDCOECGHG Connection: close