Weakness (CWE)
CWE-400: Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource.
How to prevent it (4 mitigations)
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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.
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Architecture and Design
Mitigation of resource exhaustion attacks requires that the target system either:
- 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.
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.
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Architecture and Design
Ensure that protocols have specific limits of scale placed on them.
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Implementation
Ensure that all failures in resource allocation place the system into a safe posture.
Source: MITRE CWE-400
4,063 results · Feed
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High 7.5
ClamAV Zip Bomb Vulnerability
ClamAV versions prior to 0.101.3 are susceptible to a zip bomb vulnerability where an unauthenticated attacker can cause a denial of service condition by sending crafted messages to an affected system.
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Medium 5.3
An exploitable denial-of-service vulnerability exists in the Weave daemon of the Nest Cam IQ Indoor, version 4620002. A…
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Unscored —
Logstash versions before 7.4.1 and 6.8.4 contain a denial of service flaw in the Logstash Beats input plugin. An unauth…
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High 7.4
Cisco Aironet Access Points and Catalyst 9100 Access Points CAPWAP Denial of Service Vulnerability
A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol implementation of Cisco Aironet and Catalyst 9100 Access Points (APs) could allow an unauthenticated, adjacent attacker to cause an affected device to restart unexpect…
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High 7.5
Regular Expression Denial of Service in csv-parse
The csv-parse module before 4.4.6 for Node.js is vulnerable to Regular Expression Denial of Service. The __isInt() function contains a malformed regular expression that processes large crafted input very slowly. This is triggered when using the cast option.
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High 7.5
An attacker with network access to an affected product may cause a denial of service condition by breaking the real-tim…
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High 7.5
Affected devices improperly handle large amounts of specially crafted UDP packets. This could allow an unauthenticated …
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High 7.5
Junos OS: The routing protocol process (rpd) may crash and generate core files upon receipt of specific valid BGP states from a peered host.
A memory leak vulnerability in the of Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) to the device by sending specific commands from a peered BGP host and having those BGP states delivered to the vulnerable device. This issue …
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Medium 6.5
Cisco IC3000 Industrial Compute Gateway Denial of Service Vulnerability
A vulnerability in the web-based management interface of Cisco IC3000 Industrial Compute Gateway could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability exists because the affected so…
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High 7.7
Cisco FTD, FMC, and FXOS Software Pluggable Authentication Module Denial of Service Vulnerability
A vulnerability in the configuration of the Pluggable Authentication Module (PAM) used in Cisco Firepower Threat Defense (FTD) Software, Cisco Firepower Management Center (FMC) Software, and Cisco FXOS Software could allow an authenticated, remote attacker to…
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Medium 5.3
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN CPU Denial of Service Vulnerability
A vulnerability in the WebVPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerabi…
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High 8.6
Cisco IOS XE Software Filesystem Exhaustion Denial of Service Vulnerability
A vulnerability in the filesystem resource management code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to exhaust filesystem resources on an affected device and cause a denial of service (DoS) condition. The vulnerability is due t…
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Medium 5.5
Rubyzip denial of service
In Rubyzip before 1.3.0, a crafted ZIP file can bypass application checks on ZIP entry sizes because data about the uncompressed size can be spoofed. This allows attackers to cause a denial of service (disk consumption).
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High 7.4
HG100 contains an Uncontrolled Resource Consumption vulnerability
The web api server on Port 8080 of ASUS HG100 firmware up to 1.05.12, which is vulnerable to Slowloris HTTP Denial of Service: an attacker can cause a Denial of Service (DoS) by sending headers very slowly to keep HTTP or HTTPS connections and associated reso…
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High 7.7
Cisco NX-OS Software Remote Management Memory Leak Denial of Service Vulnerability
A vulnerability in the Virtual Shell (VSH) session management for Cisco NX-OS Software could allow an authenticated, remote attacker to cause a VSH process to fail to delete upon termination. This can lead to a build-up of VSH processes that overtime can depl…
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High 7.5
Memory exhaustion in asn1_der
An issue was discovered in the asn1_der crate before 0.6.2 for Rust. Attackers can trigger memory exhaustion by supplying a large value in a length field.
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Critical 9.8
Prototype Pollution in deeply
deeply is vulnerable to Prototype Pollution in versions before 3.1.0. The function assign-deep could be tricked into adding or modifying properties of Object.prototype using using a _proto_ payload.
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Medium 6.5
Denial of Service in rgb2hex
All versions of `rgb2hex` are vulnerable to Regular Expression Denial of Service (ReDoS) when an attacker can pass in a specially crafted invalid color value. ## Recommendation Update to version 0.1.6 or later.
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High 7.5
Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service
Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority…
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High 7.5CVE-2019-9512 EPSS 83%
Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service
Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service. The attacker sends continual pings to an HTTP/2 peer, causing the peer to build an internal queue of responses. Depending on how efficiently this data is qu…
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High 7.5
Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service
Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manip…
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High 7.5CVE-2019-9516 EPSS 57%
Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service
Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service. The attacker sends a stream of headers with a 0-length header name and 0-length header value, optionally Huffman encoded into 1-byte or greater headers. S…
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High 7.5CVE-2019-9515 EPSS 87%
Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service
Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an …
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High 7.5CVE-2019-9517 EPSS 27%
Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service
Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint; however, they leave the TCP window closed so the peer…
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High 7.5CVE-2019-9518 EPSS 25%
Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service
Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION …
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Unscored —
A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5)…
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High 7.5CVE-2019-9514 EPSS 83%
Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service
Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service. The attacker opens a number of streams and sends an invalid request over each stream that should solicit a stream of RST_STREAM frames from the peer. Depe…
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High 7.5
Django Denial-of-service in strip_tags()
An issue was discovered in Django 1.11.x before 1.11.23, 2.1.x before 2.1.11, and 2.2.x before 2.2.4. Due to the behaviour of the underlying HTMLParser, django.utils.html.strip_tags would be extremely slow to evaluate certain inputs containing large sequences…
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High 7.5
Django Denial-of-service in django.utils.text.Truncator
An issue was discovered in Django 1.11.x before 1.11.23, 2.1.x before 2.1.11, and 2.2.x before 2.2.4. If django.utils.text.Truncator's chars() and words() methods were passed the html=True argument, they were extremely slow to evaluate certain inputs due to a…
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Low 3.5
A vulnerability has been found in PowerDNS Authoritative Server before versions 4.1.10, 4.0.8 allowing an authorized us…
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Unscored —
Mitsubishi Electric FR Configurator2, Version 1.16S and prior. This vulnerability can be triggered when an attacker pro…
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High 7.5
Uncontrolled Resource Consumption in MetadataExtractor
MetadataExtractor 2.1.0 allows stack consumption.
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Medium 6.5
Regular Expression Denial of Service (ReDoS) in lodash
lodash prior to 4.17.11 is affected by: CWE-400: Uncontrolled Resource Consumption. The impact is: Denial of service. The component is: Date handler. The attack vector is: Attacker provides very long strings, which the library attempts to match using a regula…
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High 7.5
Pallets Project Flask is vulnerable to Denial of Service via Unexpected memory usage
The Pallets Project Flask before 1.0 is affected by: unexpected memory usage. The impact is: denial of service. The attack vector is: crafted encoded JSON data. The fixed version is: 1. NOTE: this may overlap CVE-2018-1000656.
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Medium 6.5
Junos OS: EX4300 Series: Denial of Service upon receipt of large number of specific valid packets on management interface.
A vulnerability in the pfe-chassisd Chassis Manager (CMLC) daemon of Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) to the EX4300 when specific valid broadcast packets create a broadcast storm condition when received on the me…
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Unscored —
DoS in EdgeMAX EdgeSwitch prior to 1.8.2 allow an Admin user to Crash the SSH CLI interface by using crafted commands.
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High 8.6
Cisco ASA and FTD Software Cryptographic TLS and SSL Driver Denial of Service Vulnerability
A vulnerability in the cryptographic driver for Cisco Adaptive Security Appliance Software (ASA) and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reboot unexpectedly. The vulnerability is due t…
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High 7.5
Wikimedia Potential DOS due to slow WatchedItemStore::countVisitingWatchersMultiple
Wikimedia MediaWiki 1.27.0 through 1.32.1 might allow DoS. Passing invalid titles to the API could cause a DoS by querying the entire watchlist table. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
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Medium 5.1
Denial of Service in mem
Versions of `mem` prior to 4.0.0 are vulnerable to Denial of Service (DoS). The package fails to remove old values from the cache even after a value passes its `maxAge` property. This may allow attackers to exhaust the system's memory if they are able to abus…
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Medium —
Regular Expression Denial of Service
A Regular Expression Denial of Service vulnerability was discovered in esm before 3.1.0. The issue is that esm's find-indexes is using the unescaped identifiers in a regex, which, in this case, causes an infinite loop.