2020-11-11 21:27:34 +00:00
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id: spoofable-spf-records-ptr
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info:
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2022-03-17 17:01:45 +00:00
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name: Spoofable SPF Records with PTR Mechanism
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2020-11-11 21:27:34 +00:00
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author: binaryfigments
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severity: info
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2022-03-17 17:01:45 +00:00
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description: SPF records in DNS containing a PTR mechanism are spoofable.
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reference:
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- https://www.digitalocean.com/community/tutorials/how-to-use-an-spf-record-to-prevent-spoofing-improve-e-mail-reliability
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classification:
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cwe-id: CWE-200
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2022-04-22 10:38:41 +00:00
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tags: dns,spf
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2023-04-28 08:11:21 +00:00
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metadata:
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max-request: 1
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2020-11-11 21:27:34 +00:00
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dns:
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- name: "{{FQDN}}"
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type: TXT
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2021-12-09 13:05:44 +00:00
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2020-11-11 21:27:34 +00:00
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matchers:
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- type: word
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words:
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- "v=spf1"
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- " ptr "
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2023-07-06 05:54:47 +00:00
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condition: and
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