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Wildcard TLS Certificate

ID: wildcard-tls

Severity: info

Author: lucky0x0d

Tags: ssl,tls,wildcard

Checks a sites certificate to see if there are wildcard CN or SAN entries.

id: wildcard-tls
info:
name: Wildcard TLS Certificate
author: lucky0x0d
severity: info
description: |
Checks a sites certificate to see if there are wildcard CN or SAN entries.
reference:
- https://cheatsheetseries.owasp.org/cheatsheets/Transport_Layer_Security_Cheat_Sheet.html#carefully-consider-the-use-of-wildcard-certificates
metadata:
max-request: 1
tags: ssl,tls,wildcard
ssl:
- address: "{{Host}}:{{Port}}"
matchers:
- type: dsl
dsl:
- wildcard_certificate == true
extractors:
- type: dsl
dsl:
- '"CN: " + subject_cn'
- '" SAN: " + subject_an'
# digest: 4a0a00473045022100d212781d5e370a83cdcdcf7dca48f9a78bcfcee1408c49b01c2ab1c6fe52226402204be3b6749e1cafbb12f6e6a4a35a58af056b52164821096aaa4d8e3026e831b0:922c64590222798bb761d5b6d8e72950

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 "ssl/wildcard-tls.yaml"

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