CAPEC-274

HTTP Verb Tampering
Moyen
Draft
2014-06-23
00h00 +00:00
2019-09-30
00h00 +00:00
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Descriptions du CAPEC

An attacker modifies the HTTP Verb (e.g. GET, PUT, TRACE, etc.) in order to bypass access restrictions. Some web environments allow administrators to restrict access based on the HTTP Verb used with requests. However, attackers can often provide a different HTTP Verb, or even provide a random string as a verb in order to bypass these protections. This allows the attacker to access data that should otherwise be protected.

Informations du CAPEC

Conditions préalables

The targeted system must attempt to filter access based on the HTTP verb used in requests.

Ressources nécessaires

The attacker requires a tool that allows them to manually control the HTTP verb used to send messages to the targeted server.

Atténuations

Design: Ensure that only legitimate HTTP verbs are allowed.
Design: Do not use HTTP verbs as factors in access decisions.

Faiblesses connexes

CWE-ID Nom de la faiblesse

CWE-302

 Authentication Bypass by Assumed-Immutable Data
The authentication scheme or implementation uses key data elements that are assumed to be immutable, but can be controlled or modified by the attacker.

CWE-654

 Reliance on a Single Factor in a Security Decision
A protection mechanism relies exclusively, or to a large extent, on the evaluation of a single condition or the integrity of a single object or entity in order to make a decision about granting access to restricted resources or functionality.

Références

REF-118

Bypassing Web Authentication and Authorization with HTTP Verb Tampering: How to inadvertently allow attackers full access to your web application
Arshan Dabirsiaghi.
http://mirror.transact.net.au/sourceforge/w/project/wa/waspap/waspap/Core/Bypassing_VBAAC_with_HTTP_Verb_Tampering.pdf

Soumission

Nom Organisation Date Date de publication
CAPEC Content Team The MITRE Corporation 2014-06-23 +00:00

Modifications

Nom Organisation Date Commentaire
CAPEC Content Team The MITRE Corporation 2019-09-30 +00:00 Updated Related_Attack_Patterns