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CAPEC-279: SOAP Manipulation

Attack Pattern ID: 279
Abstraction: Detailed
Status: Draft
Presentation Filter:
+ Description
Simple Object Access Protocol (SOAP) is used as a communication protocol between a client and server to invoke web services on the server. It is an XML-based protocol, and therefore suffers from many of the same shortcomings as other XML-based protocols. Adviseries can make use these shortcomings to mount an denial of service attack, disclose information and execute arbitrary code. This includes a SOAP parameter tampering attack in which an attacker sends a SOAP message where the field values are other than what the server is likely to expect in order to precipitate non-standard server behavior.
+ Likelihood Of Attack


+ Typical Severity


+ Relationships

The table(s) below shows the other attack patterns and high level categories that are related to this attack pattern. These relationships are defined as ChildOf, ParentOf, MemberOf 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.

+ Relevant to the view "Mechanisms of Attack" (CAPEC-1000)
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.278Web Services Protocol Manipulation
+ Prerequisites
An application uses SOAP-based web service api.
An application does not perform sufficient input validation to ensure that user-controllable data is safe for an XML parser.
The targeted server either fails to verify that data in SOAP messages conforms to the appropriate XML schema, or it fails to correctly handle the complete range of data allowed by the schema.
+ Consequences

The table below specifies different individual consequences associated with the attack pattern. The Scope identifies the security property that is violated, while the Impact describes the negative technical impact that arises if an adversary succeeds in their attack. The Likelihood provides information about how likely the specific consequence is expected to be seen relative to the other consequences in the list. For example, there may be high likelihood that a pattern will be used to achieve a certain impact, but a low likelihood that it will be exploited to achieve a different impact.

Resource Consumption
Read Data
Execute Unauthorized Commands
+ Example Instances
An attacker could mount a recursive payload attack, which involves deep nesting of XML elements. This can cause XML parser to failed due to a buffer overflow, or even cause it crash, enabling a denial of service attack.
A lack of a character limit for a field can allow oversized data to be sent, causing a buffer overflow.
The contents of a text field could contain metacharacters or contextually inappropriate data (for example, sending a non-existent product name in a product name field or using an out-of-order sequence number).
An adversary corrupts or modifies the content of XML schema for the purpose of undermining the security of the target.
+ References
[REF-121] Navya Sidharth and Jigang Liu. "Intrusion Resistant SOAP Messaging with IAPF". IEEE. 2008-12. <http://ieeexplore.ieee.org/document/4780783/>.
+ Content History
Submission DateSubmitterOrganization
2014-06-23CAPEC Content TeamThe MITRE Corporation
Modification DateModifierOrganization
2018-07-31CAPEC Content TeamThe MITRE Corporation
Updated Attack_Motivation-Consequences, Attack_Prerequisites, Description, Description Summary, Examples-Instances, References, Related_Weaknesses, Typical_Likelihood_of_Exploit, Typical_Severity
Previous Entry Names
Change DatePrevious Entry Name
2018-07-31Soap Manipulation

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Page Last Updated or Reviewed: July 31, 2018