Common Weakness Enumeration

CWE-400

Discouraged

Uncontrolled Resource Consumption

Abstraction: Class · Status: Draft

API response cwe.mitre.org

The product does not properly control the allocation and maintenance of a limited resource.

5592 vulnerabilities reference this CWE, most recent first.

CVE-2017-16118 (GCVE-0-2017-16118)

Vulnerability from cvelistv5 – Published: 2018-06-07 02:00 – Updated: 2024-09-17 01:06
VLAI
Summary
The forwarded module is used by the Express.js framework to handle the X-Forwarded-For header. It is vulnerable to a regular expression denial of service when it's passed specially crafted input to parse. This causes the event loop to be blocked causing a denial of service condition.
Severity
No CVSS data available.
CWE
  • CWE-400 - Denial of Service (CWE-400)
Assigner
References
URL Tags
https://nodesecurity.io/advisories/527 x_refsource_MISC
http://www.securityfocus.com/bid/104427 vdb-entryx_refsource_BID
Impacted products
Date Public
2018-04-26 00:00
Show details on NVD website
To clipboard 

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CVE-2017-16117 (GCVE-0-2017-16117)

Vulnerability from cvelistv5 – Published: 2018-06-07 02:00 – Updated: 2024-09-17 01:16
VLAI
Summary
slug is a module to slugify strings, even if they contain unicode. slug is vulnerable to regular expression denial of service is specially crafted untrusted input is passed as input. About 50k characters can block the event loop for 2 seconds.
Severity
No CVSS data available.
CWE
  • CWE-400 - Denial of Service (CWE-400)
Assigner
References
Impacted products
Vendor Product Version
HackerOne slug node module Affected: All versions
Create a notification for this product.
Date Public
2018-04-26 00:00
Show details on NVD website
To clipboard 

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CVE-2017-16116 (GCVE-0-2017-16116)

Vulnerability from cvelistv5 – Published: 2018-06-07 02:00 – Updated: 2024-09-16 19:35
VLAI
Summary
The string module is a module that provides extra string operations. The string module is vulnerable to regular expression denial of service when specifically crafted untrusted user input is passed into the underscore or unescapeHTML methods.
Severity
No CVSS data available.
CWE
  • CWE-400 - Denial of Service (CWE-400)
Assigner
References
Impacted products
Vendor Product Version
HackerOne string node module Affected: All versions
Create a notification for this product.
Date Public
2018-04-26 00:00
Show details on NVD website
To clipboard 

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CVE-2017-16115 (GCVE-0-2017-16115)

Vulnerability from cvelistv5 – Published: 2018-06-07 02:00 – Updated: 2024-09-17 01:12
VLAI
Summary
The timespan module is vulnerable to regular expression denial of service. Given 50k characters of untrusted user input it will block the event loop for around 10 seconds.
Severity
No CVSS data available.
CWE
  • CWE-400 - Denial of Service (CWE-400)
Assigner
References
Impacted products
Vendor Product Version
HackerOne timespan node module Affected: All versions
Create a notification for this product.
Date Public
2018-04-26 00:00
Show details on NVD website
To clipboard 

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CVE-2017-16114 (GCVE-0-2017-16114)

Vulnerability from cvelistv5 – Published: 2018-06-07 02:00 – Updated: 2024-09-17 03:44
VLAI
Summary
The marked module is vulnerable to a regular expression denial of service. Based on the information published in the public issue, 1k characters can block for around 6 seconds.
Severity
No CVSS data available.
CWE
  • CWE-400 - Denial of Service (CWE-400)
Assigner
References
Impacted products
Vendor Product Version
HackerOne marked node module Affected: All versions
Create a notification for this product.
Date Public
2018-04-26 00:00
Show details on NVD website
To clipboard 

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CVE-2017-16113 (GCVE-0-2017-16113)

Vulnerability from cvelistv5 – Published: 2018-06-07 02:00 – Updated: 2024-09-16 20:46
VLAI
Summary
The parsejson module is vulnerable to regular expression denial of service when untrusted user input is passed into it to be parsed.
Severity
No CVSS data available.
CWE
  • CWE-400 - Denial of Service (CWE-400)
Assigner
References
Impacted products
Date Public
2018-04-26 00:00
Show details on NVD website
To clipboard 

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CVE-2017-16111 (GCVE-0-2017-16111)

Vulnerability from cvelistv5 – Published: 2018-06-07 02:00 – Updated: 2024-09-16 20:37
VLAI
Summary
The content module is a module to parse HTTP Content-* headers. It is used by the hapijs framework to provide this functionality. The module is vulnerable to regular expression denial of service when passed a specifically crafted Content-Type or Content-Disposition header.
Severity
No CVSS data available.
CWE
  • CWE-400 - Denial of Service (CWE-400)
Assigner
References
URL Tags
https://nodesecurity.io/advisories/530 x_refsource_MISC
Impacted products
Date Public
2018-04-26 00:00
Show details on NVD website
To clipboard 

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CVE-2017-16099 (GCVE-0-2017-16099)

Vulnerability from cvelistv5 – Published: 2018-06-07 02:00 – Updated: 2024-09-17 00:56
VLAI
Summary
The no-case module is vulnerable to regular expression denial of service. When malicious untrusted user input is passed into no-case it can block the event loop causing a denial of service condition.
Severity
No CVSS data available.
CWE
  • CWE-400 - Denial of Service (CWE-400)
Assigner
References
Impacted products
Date Public
2018-04-26 00:00
Show details on NVD website
To clipboard 

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CVE-2017-16098 (GCVE-0-2017-16098)

Vulnerability from cvelistv5 – Published: 2018-06-07 02:00 – Updated: 2024-09-16 18:03
VLAI
Summary
charset 1.0.0 and below are vulnerable to regular expression denial of service. Input of around 50k characters is required for a slow down of around 2 seconds. Unless node was compiled using the -DHTTP_MAX_HEADER_SIZE= option the default header max length is 80kb, so the impact of the ReDoS is relatively low.
Severity
No CVSS data available.
CWE
  • CWE-400 - Denial of Service (CWE-400)
Assigner
References
Impacted products
Date Public
2018-04-26 00:00
Show details on NVD website
To clipboard 

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CVE-2017-16086 (GCVE-0-2017-16086)

Vulnerability from cvelistv5 – Published: 2018-06-07 02:00 – Updated: 2024-09-17 00:31
VLAI
Summary
ua-parser is a port of Browserscope's user agent parser. ua-parser is vulnerable to a ReDoS (Regular Expression Denial of Service) attack when given a specially crafted UserAgent header.
Severity
No CVSS data available.
CWE
  • CWE-400 - Denial of Service (CWE-400)
Assigner
References
URL Tags
https://nodesecurity.io/advisories/316 x_refsource_MISC
Impacted products
Vendor Product Version
HackerOne ua-parser node module Affected: All versions
Create a notification for this product.
Date Public
2018-04-26 00:00
Show details on NVD website
To clipboard 

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Mitigation
Architecture and Design

Design throttling mechanisms into the system architecture. The best protection is to limit the amount of resources that an unauthorized user can cause to be expended. A strong authentication and access control model will help prevent such attacks from occurring in the first place. The login application should be protected against DoS attacks as much as possible. Limiting the database access, perhaps by caching result sets, can help minimize the resources expended. To further limit the potential for a DoS attack, consider tracking the rate of requests received from users and blocking requests that exceed a defined rate threshold.

Mitigation
Architecture and Design
  • Mitigation of resource exhaustion attacks requires that the target system either:
  • The first of these solutions is an issue in itself though, since it may allow attackers to prevent the use of the system by a particular valid user. If the attacker impersonates the valid user, they may be able to prevent the user from accessing the server in question.
  • The second solution is simply difficult to effectively institute -- and even when properly done, it does not provide a full solution. It simply makes the attack require more resources on the part of the attacker.
  • recognizes the attack and denies that user further access for a given amount of time, or
  • uniformly throttles all requests in order to make it more difficult to consume resources more quickly than they can again be freed.
Mitigation
Architecture and Design

Ensure that protocols have specific limits of scale placed on them.

Mitigation
Implementation

Ensure that all failures in resource allocation place the system into a safe posture.

CAPEC-147: XML Ping of the Death

An attacker initiates a resource depletion attack where a large number of small XML messages are delivered at a sufficiently rapid rate to cause a denial of service or crash of the target. Transactions such as repetitive SOAP transactions can deplete resources faster than a simple flooding attack because of the additional resources used by the SOAP protocol and the resources necessary to process SOAP messages. The transactions used are immaterial as long as they cause resource utilization on the target. In other words, this is a normal flooding attack augmented by using messages that will require extra processing on the target.

CAPEC-227: Sustained Client Engagement

An adversary attempts to deny legitimate users access to a resource by continually engaging a specific resource in an attempt to keep the resource tied up as long as possible. The adversary's primary goal is not to crash or flood the target, which would alert defenders; rather it is to repeatedly perform actions or abuse algorithmic flaws such that a given resource is tied up and not available to a legitimate user. By carefully crafting a requests that keep the resource engaged through what is seemingly benign requests, legitimate users are limited or completely denied access to the resource.

CAPEC-492: Regular Expression Exponential Blowup

An adversary may execute an attack on a program that uses a poor Regular Expression(Regex) implementation by choosing input that results in an extreme situation for the Regex. A typical extreme situation operates at exponential time compared to the input size. This is due to most implementations using a Nondeterministic Finite Automaton(NFA) state machine to be built by the Regex algorithm since NFA allows backtracking and thus more complex regular expressions.

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