Update and rename CVE-2017-5487.yaml to wp-user-enum.yaml
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id: CVE-2017-5487
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id: wp-user-enum
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info:
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name: WordPress Core <4.7.1 - Username Enumeration
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name: WordPress REST API User Enumeration
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author: Manas_Harsh,daffainfo,geeknik,dr0pd34d
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severity: medium
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description: WordPress Core before 4.7.1 is susceptible to user enumeration because it does not properly restrict listings of post authors via wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php in the REST API, which allows a remote attacker to obtain sensitive information via a wp-json/wp/v2/users request.
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severity: low
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description: |
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The REST API exposed user data for all users who had authored a post of a public post type. WordPress 4.7.1 limits this to only post types which have specified that they should be shown within the REST API.
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impact: |
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An attacker can easily determine valid usernames, which can lead to targeted attacks such as brute force attacks or social engineering.
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remediation: |
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Update WordPress to version 4.7.1 or later
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Install a WordPress plugin such as Stop User Enumeration. Stop User Enumeration is a security plugin designed to detect and prevent hackers scanning your site for user names.
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reference:
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- https://www.exploit-db.com/exploits/41497
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- https://www.wordfence.com/blog/2016/12/wordfence-blocks-username-harvesting-via-new-rest-api-wp-4-7/
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- https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/
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- https://nvd.nist.gov/vuln/detail/CVE-2017-5487
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- http://www.openwall.com/lists/oss-security/2017/01/14/6
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classification:
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cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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cvss-score: 5.3
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cve-id: CVE-2017-5487
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cwe-id: CWE-200
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epss-score: 0.97179
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epss-percentile: 0.99776
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cpe: cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
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- https://www.acunetix.com/vulnerabilities/web/wordpress-rest-api-user-enumeration/
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- https://wordpress.org/plugins/stop-user-enumeration/
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- https://www.afteractive.com/wordpress-user-enumeration-vulnerability/
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metadata:
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verified: true
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max-request: 2
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