Описание
client_golang is the instrumentation library for Go applications in Prometheus, and the promhttp package in client_golang provides tooling around HTTP servers and clients. In client_golang prior to version 1.11.1, HTTP server is susceptible to a Denial of Service through unbounded cardinality, and potential memory exhaustion, when handling requests with non-standard HTTP methods. In order to be affected, an instrumented software must use any of promhttp.InstrumentHandler* middleware except RequestsInFlight; not filter any specific methods (e.g GET) before middleware; pass metric with method label name to our middleware; and not have any firewall/LB/proxy that filters away requests with unknown method. client_golang version 1.11.1 contains a patch for this issue. Several workarounds are available, including removing the method label name from counter/gauge used in the InstrumentHandler; turning off affected promhttp handlers; adding custom middleware before promhttp handler that will sanitize the request method given by Go http.Request; and using a reverse proxy or web application firewall, configured to only allow a limited set of methods.
A denial of service attack was found in prometheus/client_golang. This flaw allows an attacker to produce a denial of service attack on an HTTP server by exploiting the InstrumentHandlerCounter function in the version below 1.11.1, resulting in a loss of availability.
Отчет
This flaw has been rated as having a moderate impact for two main reasons. The opportunity for a Denial of Service is limited to the golang runtime. In the case of OpenShift Container Platform, this would be restricted within each individual container. Additionally, this is in alignment with upstream's (the Prometheus project) impact rating.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Cost Management Metrics Operator | costmanagement/costmanagement-metrics-rhel8-operator | Affected | ||
| Migration Toolkit for Containers | rhmtc/openshift-migration-controller-rhel8 | Affected | ||
| Migration Toolkit for Containers | rhmtc/openshift-migration-velero-restic-restore-helper-rhel8 | Affected | ||
| Migration Toolkit for Containers | rhmtc/openshift-migration-velero-rhel8 | Affected | ||
| Migration Toolkit for Containers | rhmtc/openshift-velero-plugin-rhel8 | Affected | ||
| Migration Toolkit for Virtualization | migration-toolkit-virtualization/mtv-controller-rhel9 | Affected | ||
| OpenShift Developer Tools and Services | helm | Affected | ||
| OpenShift Developer Tools and Services | jenkins-operator-container | Will not fix | ||
| OpenShift Developer Tools and Services | ocp-tools-4/service-binding-rhel8-operator | Will not fix | ||
| OpenShift Developer Tools and Services | odo | Will not fix |
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Дополнительная информация
Статус:
7.5 High
CVSS3
Связанные уязвимости
client_golang is the instrumentation library for Go applications in Prometheus, and the promhttp package in client_golang provides tooling around HTTP servers and clients. In client_golang prior to version 1.11.1, HTTP server is susceptible to a Denial of Service through unbounded cardinality, and potential memory exhaustion, when handling requests with non-standard HTTP methods. In order to be affected, an instrumented software must use any of `promhttp.InstrumentHandler*` middleware except `RequestsInFlight`; not filter any specific methods (e.g GET) before middleware; pass metric with `method` label name to our middleware; and not have any firewall/LB/proxy that filters away requests with unknown `method`. client_golang version 1.11.1 contains a patch for this issue. Several workarounds are available, including removing the `method` label name from counter/gauge used in the InstrumentHandler; turning off affected promhttp handlers; adding custom middleware before promhttp handler...
client_golang is the instrumentation library for Go applications in Prometheus, and the promhttp package in client_golang provides tooling around HTTP servers and clients. In client_golang prior to version 1.11.1, HTTP server is susceptible to a Denial of Service through unbounded cardinality, and potential memory exhaustion, when handling requests with non-standard HTTP methods. In order to be affected, an instrumented software must use any of `promhttp.InstrumentHandler*` middleware except `RequestsInFlight`; not filter any specific methods (e.g GET) before middleware; pass metric with `method` label name to our middleware; and not have any firewall/LB/proxy that filters away requests with unknown `method`. client_golang version 1.11.1 contains a patch for this issue. Several workarounds are available, including removing the `method` label name from counter/gauge used in the InstrumentHandler; turning off affected promhttp handlers; adding custom middleware before promhttp handler th
client_golang is the instrumentation library for Go applications in Pr ...
Security update for golang-github-prometheus-node_exporter
7.5 High
CVSS3