Headline
Sielco Radio Link 2.06 Improper Access Control Change Admin Password
The application suffers from improper access control when editing users. A user with Read permissions can manipulate users, passwords and permissions by sending a single HTTP POST request with modified parameters and edit other users’ names, passwords and permissions including admin password.
Title: Sielco Radio Link 2.06 Improper Access Control Change Admin Password
Advisory ID: ZSL-2023-5760
Type: Local/Remote
Impact: Security Bypass
Risk: (4/5)
Release Date: 30.03.2023
Summary
Sielco develops and produces radio links for all transmission and reception needs, thanks to innovative units and excellent performances, accompanied by a high reliability and low consumption.
Description
The application suffers from improper access control when editing users. A user with Read permissions can manipulate users, passwords and permissions by sending a single HTTP POST request with modified parameters and edit other users’ names, passwords and permissions including admin password.
Vendor
Sielco S.r.l - https://www.sielco.org
Affected Version
2.06 (RTX19)
2.05 (RTX19)
2.00 (EXC19)
1.60 (RTX19)
1.59 (RTX19)
1.55 (EXC19)
Tested On
lwIP/2.1.1
Web/2.9.3
Vendor Status
[26.01.2023] Vulnerability discovered.
[27.01.2023] Contact with the vendor and CSIRT Italia.
[29.03.2023] No response from the vendor.
[29.03.2023] No response from the CSIRT team.
[30.03.2023] Public security advisory released.
PoC
sielco_rl_iac.html
Credits
Vulnerability discovered by Gjoko Krstic - <[email protected]>
References
N/A
Changelog
[30.03.2023] - Initial release
Contact
Zero Science Lab
Web: https://www.zeroscience.mk
e-mail: [email protected]