Home > CAPEC List > CAPEC-274: HTTP Verb Tampering (Version 3.9)

CAPEC-274: HTTP Verb Tampering

Attack Pattern ID: 274
Abstraction: Detailed
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Description
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.
Typical Severity

Medium

Relationships
Section HelpThis table shows the other attack patterns and high level categories that are related to this attack pattern. These relationships are defined as ChildOf and ParentOf, and give insight to similar items that may exist at higher and lower levels of abstraction. In addition, relationships such as CanFollow, PeerOf, and CanAlsoBe are defined to show similar attack patterns that the user may want to explore.
NatureTypeIDName
ChildOfStandard Attack PatternStandard Attack Pattern - A standard level attack pattern in CAPEC is focused on a specific methodology or technique used in an attack. It is often seen as a singular piece of a fully executed attack. A standard attack pattern is meant to provide sufficient details to understand the specific technique and how it attempts to accomplish a desired goal. A standard level attack pattern is a specific type of a more abstract meta level attack pattern.220Client-Server Protocol Manipulation
Section HelpThis table shows the views that this attack pattern belongs to and top level categories within that view.
Prerequisites
The targeted system must attempt to filter access based on the HTTP verb used in requests.
Resources Required
The attacker requires a tool that allows them to manually control the HTTP verb used to send messages to the targeted server.
Mitigations
Design: Ensure that only legitimate HTTP verbs are allowed.
Design: Do not use HTTP verbs as factors in access decisions.
References
[REF-118] Arshan Dabirsiaghi. "Bypassing Web Authentication and Authorization with HTTP Verb Tampering: How to inadvertently allow attackers full access to your web application". Aspect Security. <http://mirror.transact.net.au/sourceforge/w/project/wa/waspap/waspap/Core/Bypassing_VBAAC_with_HTTP_Verb_Tampering.pdf>.
Content History
Submissions
Submission DateSubmitterOrganization
2014年06月23日
(Version 2.6)
CAPEC Content TeamThe MITRE Corporation
Modifications
Modification DateModifierOrganization
2019年09月30日
(Version 3.2)
CAPEC Content TeamThe MITRE Corporation
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Page Last Updated or Reviewed: July 31, 2018

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