CWE-400
Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource.
CVE-2022-24713 (GCVE-0-2022-24713)
Vulnerability from cvelistv5 – Published: 2022-03-08 19:00 – Updated: 2025-04-23 18:58
VLAI
Title
Regular expression denial of service in Rust's regex crate
Summary
regex is an implementation of regular expressions for the Rust language. The regex crate features built-in mitigations to prevent denial of service attacks caused by untrusted regexes, or untrusted input matched by trusted regexes. Those (tunable) mitigations already provide sane defaults to prevent attacks. This guarantee is documented and it's considered part of the crate's API. Unfortunately a bug was discovered in the mitigations designed to prevent untrusted regexes to take an arbitrary amount of time during parsing, and it's possible to craft regexes that bypass such mitigations. This makes it possible to perform denial of service attacks by sending specially crafted regexes to services accepting user-controlled, untrusted regexes. All versions of the regex crate before or equal to 1.5.4 are affected by this issue. The fix is include starting from regex 1.5.5. All users accepting user-controlled regexes are recommended to upgrade immediately to the latest version of the regex crate. Unfortunately there is no fixed set of problematic regexes, as there are practically infinite regexes that could be crafted to exploit this vulnerability. Because of this, it us not recommend to deny known problematic regexes.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://github.com/rust-lang/regex/security/advis… | x_refsource_CONFIRM |
| https://github.com/rust-lang/regex/commit/ae70b41… | x_refsource_MISC |
| https://groups.google.com/g/rustlang-security-ann… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2022/dsa-5113 | vendor-advisoryx_refsource_DEBIAN |
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| https://www.debian.org/security/2022/dsa-5118 | vendor-advisoryx_refsource_DEBIAN |
| https://security.gentoo.org/glsa/202208-08 | vendor-advisoryx_refsource_GENTOO |
| https://security.gentoo.org/glsa/202208-14 | vendor-advisoryx_refsource_GENTOO |
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CVE-2022-24726 (GCVE-0-2022-24726)
Vulnerability from cvelistv5 – Published: 2022-03-10 20:45 – Updated: 2025-04-23 18:55
VLAI
Title
Unauthenticated control plane denial of service attack in Istio
Summary
Istio is an open platform to connect, manage, and secure microservices. In affected versions the Istio control plane, istiod, is vulnerable to a request processing error, allowing a malicious attacker that sends a specially crafted message which results in the control plane crashing when the validating webhook for a cluster is exposed publicly. This endpoint is served over TLS port 15017, but does not require any authentication from the attacker. For simple installations, Istiod is typically only reachable from within the cluster, limiting the blast radius. However, for some deployments, especially [external istiod](https://istio.io/latest/docs/setup/install/external-controlplane/) topologies, this port is exposed over the public internet. This issue has been patched in versions 1.13.2, 1.12.5 and 1.11.8. Users are advised to upgrade. Users unable to upgrade should disable access to a validating webhook that is exposed to the public internet or restrict the set of IP addresses that can query it to a set of known, trusted entities.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/istio/istio/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/golang/go/issues/51112 | x_refsource_MISC |
| https://github.com/istio/istio/commit/6ca5055a4db… | x_refsource_MISC |
Impacted products
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CVE-2022-24729 (GCVE-0-2022-24729)
Vulnerability from cvelistv5 – Published: 2022-03-16 00:00 – Updated: 2025-04-23 18:53
VLAI
Title
Regular expression Denial of Service in dialog plugin
Summary
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Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
6 references
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CVE-2022-24741 (GCVE-0-2022-24741)
Vulnerability from cvelistv5 – Published: 2022-03-09 21:30 – Updated: 2025-04-22 18:19
VLAI
Title
High memory usage in Nextcloud server
Summary
Nextcloud server is an open source, self hosted cloud style services platform. In affected versions an attacker can cause a denial of service by uploading specially crafted files which will cause the server to allocate too much memory / CPU. It is recommended that the Nextcloud Server is upgraded to 21.0.8 , 22.2.4 or 23.0.1. Users unable to upgrade should disable preview generation with the `'enable_previews'` config flag.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/nextcloud/security-advisories/… | x_refsource_CONFIRM |
| https://github.com/nextcloud/server/pull/30291 | x_refsource_MISC |
| https://hackerone.com/reports/1261225 | x_refsource_MISC |
| https://security.gentoo.org/glsa/202208-17 | vendor-advisoryx_refsource_GENTOO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| nextcloud | security-advisories |
Affected:
< 21.0.8
Affected: >= 22.0.0, < 22.2.4 Affected: >= 23.0.0, < 23.0.1 |
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CVE-2022-24836 (GCVE-0-2022-24836)
Vulnerability from cvelistv5 – Published: 2022-04-11 00:00 – Updated: 2024-09-03 12:03
VLAI
Title
Inefficient Regular Expression Complexity in Nokogiri
Summary
Nokogiri is an open source XML and HTML library for Ruby. Nokogiri `< v1.13.4` contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to detect encoding in HTML documents. Users are advised to upgrade to Nokogiri `>= 1.13.4`. There are no known workarounds for this issue.
Severity
7.5 (High)
CWE
Assigner
References
11 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sparklemotion | nokogiri |
Affected:
< 1.13.4
|
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CVE-2022-24839 (GCVE-0-2022-24839)
Vulnerability from cvelistv5 – Published: 2022-04-11 21:25 – Updated: 2025-04-23 18:40
VLAI
Title
Uncontrolled Resource Consumption in org.cyberneko.html (nokogiri fork)
Summary
org.cyberneko.html is an html parser written in Java. The fork of `org.cyberneko.html` used by Nokogiri (Rubygem) raises a `java.lang.OutOfMemoryError` exception when parsing ill-formed HTML markup. Users are advised to upgrade to `>= 1.9.22.noko2`. Note: The upstream library `org.cyberneko.html` is no longer maintained. Nokogiri uses its own fork of this library located at https://github.com/sparklemotion/nekohtml and this CVE applies only to that fork. Other forks of nekohtml may have a similar vulnerability.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/sparklemotion/nekohtml/securit… | x_refsource_CONFIRM |
| https://github.com/sparklemotion/nekohtml/commit/… | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpujul2022.html | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sparklemotion | nekohtml |
Affected:
< 1.9.22.noko2
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CVE-2022-24863 (GCVE-0-2022-24863)
Vulnerability from cvelistv5 – Published: 2022-04-18 19:00 – Updated: 2025-04-23 18:34
VLAI
Title
Denial of service in http-swagger
Summary
http-swagger is an open source wrapper to automatically generate RESTful API documentation with Swagger 2.0. In versions of http-swagger prior to 1.2.6 an attacker may perform a denial of service attack consisting of memory exhaustion on the host system. The cause of the memory exhaustion is down to improper handling of http methods. Users are advised to upgrade. Users unable to upgrade may to restrict the path prefix to the "GET" method as a workaround.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/swaggo/http-swagger/security/a… | x_refsource_CONFIRM |
| https://github.com/swaggo/http-swagger/pull/62 | x_refsource_MISC |
| https://github.com/swaggo/http-swagger/commit/b7d… | x_refsource_MISC |
| https://github.com/swaggo/http-swagger/releases/t… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| swaggo | http-swagger |
Affected:
< 1.2.6
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CVE-2022-24902 (GCVE-0-2022-24902)
Vulnerability from cvelistv5 – Published: 2022-05-05 23:35 – Updated: 2025-04-23 18:30
VLAI
Title
Memory issue in playing videos
Summary
TkVideoplayer is a simple library to play video files in tkinter. Uncontrolled memory consumption in versions of TKVideoplayer prior to 2.0.0 can theoretically lead to performance degradation. There are no known workarounds. This issue has been patched and users are advised to upgrade to version 2.0.0 or later.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/PaulleDemon/tkVideoPlayer/secu… | x_refsource_CONFIRM |
| https://github.com/PaulleDemon/tkVideoPlayer/issues/3 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PaulleDemon | tkVideoPlayer |
Affected:
< 2.0.0
|
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CVE-2022-2529 (GCVE-0-2022-2529)
Vulnerability from cvelistv5 – Published: 2022-09-30 10:45 – Updated: 2025-05-20 16:03
VLAI
Title
Multiple DoS Attack Vectors in sflow packet handling
Summary
sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/cloudflare/goflow/security/adv… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cloudflare | goflow |
Affected:
unspecified , < 3.4.4
(custom)
|
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CVE-2022-25326 (GCVE-0-2022-25326)
Vulnerability from cvelistv5 – Published: 2022-02-25 11:00 – Updated: 2025-04-21 13:56
VLAI
Title
Denial of Service in fscrypt
Summary
fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt 0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/google/fscrypt/pull/346 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Google LLC | fscrypt |
Affected:
unspecified , ≤ 0.3.2
(custom)
|
Date Public
2022-02-16 00:00
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Phase: Architecture and Design
Description:
- 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
Phase: Architecture and Design
Description:
- 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
Phase: Architecture and Design
Description:
- Ensure that protocols have specific limits of scale placed on them.
Mitigation
Phase: Implementation
Description:
- 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.