Title: STVS ProVision 5.9.10 Cross-Site Request Forgery (Add Admin)
Advisory ID: ZSL-2021-5625
Type: Local/Remote
Impact: Cross-Site Scripting
Risk: (3/5)
Release Date: 26.01.2021

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.

Description

The application interface allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to perform certain actions with administrative privileges if a logged-in user visits a malicious web site.

Vendor

STVS SA - http://www.stvs.ch

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

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

Vendor Status

[19.01.2021] Vulnerability discovered.
[19.01.2021] Vendor contacted.
[25.01.2021] No response from the vendor.
[26.01.2021] Public security advisory released.

PoC

provision_csrf.txt

Credits

Vulnerability discovered by Gjoko Krstic - <gjoko@zeroscience.mk>

References

[1] https://www.exploit-db.com/exploits/49482
[2] https://packetstormsecurity.com/files/161159
[3] https://cxsecurity.com/issue/WLB-2021010191
[4] https://exchange.xforce.ibmcloud.com/vulnerabilities/195722

Changelog

[26.01.2021] - Initial release
[31.01.2021] - Added reference [1], [2], [3] and [4]

Contact

Zero Science Lab

Web: https://www.zeroscience.mk
e-mail: lab@zeroscience.mk