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CVE Vulnerabilities

CVE-2021-3795

Inefficient Regular Expression Complexity

Published: Sep 15, 2021 | Modified: Nov 21, 2024
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-3795
CWEhttps://cwe.mitre.org/data/definitions/1333.html

semver-regex is vulnerable to Inefficient Regular Expression Complexity

Weakness

The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.

Affected Software

NameVendorStart VersionEnd Version
Semver-regexSemver-regex_project*3.1.3 (excluding)
Semver-regexSemver-regex_project4.0.0 (including)4.0.0 (including)
Red Hat Advanced Cluster Management for Kubernetes 2RedHatacmesolver-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatacm-must-gather-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatacm-operator-bundle-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatapplication-ui-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatcainjector-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatcert-manager-controller-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatcert-manager-webhook-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatcert-policy-controller-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatclusterlifecycle-state-metrics-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatconfigmap-watcher-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatconfig-policy-controller-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatconsole-api-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatconsole-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatconsole-header-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatendpoint-component-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatendpoint-monitoring-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatendpoint-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatgovernance-policy-propagator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatgovernance-policy-spec-sync-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatgovernance-policy-status-sync-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatgovernance-policy-template-sync-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatgrafana-dashboard-loader-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatgrc-ui-api-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatgrc-ui-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatiam-policy-controller-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatklusterlet-addon-lease-controller-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatklusterlet-operator-bundle-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatkui-web-terminal-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmanagement-ingress-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmcm-topology-api-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmcm-topology-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmemcached-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmemcached-exporter-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmetrics-collector-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticloud-manager-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticlusterhub-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticlusterhub-repo-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticluster-observability-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticluster-operators-application-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticluster-operators-channel-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticluster-operators-deployable-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticluster-operators-placementrule-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticluster-operators-subscription-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticluster-operators-subscription-release-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatobservatorium-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatobservatorium-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatopenshift-hive-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatrbac-query-proxy-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatrcm-controller-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatredisgraph-tls-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatregistration-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatregistration-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatsearch-aggregator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatsearch-api-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatsearch-collector-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatsearch-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatsearch-ui-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatsubmariner-addon-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatthanos-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatthanos-receive-controller-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatwork-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatacmesolver-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatacm-must-gather-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatacm-operator-bundle-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatapplication-ui-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatcainjector-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatcert-manager-controller-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatcert-manager-webhook-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatcert-policy-controller-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatclusterlifecycle-state-metrics-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatconfigmap-watcher-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatconfig-policy-controller-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatconsole-api-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatconsole-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatconsole-header-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatendpoint-component-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatendpoint-monitoring-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatendpoint-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatgovernance-policy-propagator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatgovernance-policy-spec-sync-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatgovernance-policy-status-sync-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatgovernance-policy-template-sync-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatgrafana-dashboard-loader-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatgrc-ui-api-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatgrc-ui-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatiam-policy-controller-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatklusterlet-addon-lease-controller-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatklusterlet-operator-bundle-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatkui-web-terminal-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmanagement-ingress-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmcm-topology-api-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmcm-topology-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmemcached-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmemcached-exporter-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmetrics-collector-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticloud-manager-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticlusterhub-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticlusterhub-repo-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticluster-observability-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticluster-operators-application-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticluster-operators-channel-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticluster-operators-deployable-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticluster-operators-placementrule-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticluster-operators-subscription-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatmulticluster-operators-subscription-release-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatobservatorium-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatobservatorium-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatopenshift-hive-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatrbac-query-proxy-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatrcm-controller-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatredisgraph-tls-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatregistration-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatregistration-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatsearch-aggregator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatsearch-api-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatsearch-collector-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatsearch-operator-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatsearch-ui-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatsubmariner-addon-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatthanos-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatthanos-receive-controller-container*
Red Hat Advanced Cluster Management for Kubernetes 2RedHatwork-container*

Extended Description

	  Attackers can create crafted inputs that
	  intentionally cause the regular expression to use
	  excessive backtracking in a way that causes the CPU
	  consumption to spike.

Potential Mitigations

References

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