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CVE-2022-21698

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2022-4668-01
Posted May 19, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-4668-01 - Red Hat OpenShift Virtualization release 4.10.1 is now available with updates to packages and images that fix several bugs and add enhancements. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2021-36221, CVE-2021-41190, CVE-2022-0778, CVE-2022-21698, CVE-2022-24407, CVE-2022-25235, CVE-2022-25236, CVE-2022-25315
SHA-256 | 57ea642d5a0a1510cce8ff99f716b47bf753e4780e02ad6c833852fa3e9a589b
Red Hat Security Advisory 2022-4667-01
Posted May 19, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-4667-01 - OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift Virtualization 4.10.1 RPMs. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2022-21698
SHA-256 | 0f44cb9aa2fc8c7baee64c7765edd8f3ae3b5359d65f4e0f8a8a974b150b57d4
Red Hat Security Advisory 2022-2216-01
Posted May 12, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-2216-01 - Logging Subsystem 5.4.1 - Red Hat OpenShift. Issues addressed include HTTP request smuggling and denial of service vulnerabilities.

tags | advisory, web, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2018-25032, CVE-2021-37136, CVE-2021-37137, CVE-2021-4028, CVE-2021-43797, CVE-2022-0778, CVE-2022-1154, CVE-2022-1271, CVE-2022-21426, CVE-2022-21434, CVE-2022-21443, CVE-2022-21476, CVE-2022-21496, CVE-2022-21698, CVE-2022-25636
SHA-256 | e8448d15067ef4e108e62dd39572f25de537bd0cc05255cb4ff9f26a2036af6d
Red Hat Security Advisory 2022-2218-01
Posted May 12, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-2218-01 - Openshift Logging Bug Fix Release. Issues addressed include HTTP request smuggling, denial of service, and man-in-the-middle vulnerabilities.

tags | advisory, web, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2018-25032, CVE-2021-37136, CVE-2021-37137, CVE-2021-4028, CVE-2021-43797, CVE-2022-0759, CVE-2022-0778, CVE-2022-1154, CVE-2022-1271, CVE-2022-21426, CVE-2022-21434, CVE-2022-21443, CVE-2022-21476, CVE-2022-21496, CVE-2022-21698, CVE-2022-25636
SHA-256 | 0c5927e91c79b433162241dc82bdfd0e2fdad1d3d97c1f4a6ed341b8c4358a0b
Red Hat Security Advisory 2022-2217-01
Posted May 12, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-2217-01 - Openshift Logging Bug Fix Release. Issues addressed include HTTP request smuggling, denial of service, and man-in-the-middle vulnerabilities.

tags | advisory, web, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2018-25032, CVE-2021-37136, CVE-2021-37137, CVE-2021-4028, CVE-2021-43797, CVE-2022-0759, CVE-2022-0778, CVE-2022-1154, CVE-2022-1271, CVE-2022-21426, CVE-2022-21434, CVE-2022-21443, CVE-2022-21476, CVE-2022-21496, CVE-2022-21698, CVE-2022-25636
SHA-256 | 0ec4d077e744566221bfb42a084e913e4269ba131207183ed703c14611b8ba91
Red Hat Security Advisory 2022-1762-01
Posted May 11, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1762-01 - The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. Issues addressed include denial of service and privilege escalation vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2022-1227, CVE-2022-21698, CVE-2022-27649, CVE-2022-27650, CVE-2022-27651
SHA-256 | bde6afbb4d12b125caf149c631cda19348fd208d14f9c0bc796870a928ad56cc
Red Hat Security Advisory 2022-1356-01
Posted Apr 22, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1356-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.10.10. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2022-0778, CVE-2022-21698, CVE-2022-24761
SHA-256 | 061e45d8bbc9a93e2f28aab072a54337c36f4d00744e80e74e7ff0724801de33
Red Hat Security Advisory 2022-1461-01
Posted Apr 22, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1461-01 - Updates have been made to Logging Subsystem 5.4 - Red Hat OpenShift. Issues addressed include denial of service and man-in-the-middle vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2022-0759, CVE-2022-21698
SHA-256 | 07bb838a24f0f50a7b9f873ed8ed0bc2d5427b8cdbf9ac1f281be5d4037579c9
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