Headline
Red Hat Security Advisory 2024-0204-03
Red Hat Security Advisory 2024-0204-03 - Red Hat OpenShift Container Platform release 4.14.9 is now available with updates to packages and images that fix several bugs and add enhancements. Issues addressed include a denial of service vulnerability.
The following advisory data is extracted from:
https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_0204.json
Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat’s archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.
- Packet Storm Staff
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Red Hat Security Advisory
Synopsis: Moderate: OpenShift Container Platform 4.14.9 bug fix and security update
Advisory ID: RHSA-2024:0204-03
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2024:0204
Issue date: 2024-01-20
Revision: 03
CVE Names: CVE-2023-45142
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Summary:
Red Hat OpenShift Container Platform release 4.14.9 is now available with updates to packages and images that fix several bugs and add enhancements.
This release includes a security update for Red Hat OpenShift Container Platform 4.14.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description:
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 4.14.9. See the following advisory for the RPM packages for this release:
https://access.redhat.com/errata/RHSA-2024:0207
Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes:
https://docs.openshift.com/container-platform/4.14/release_notes/ocp-4-14-release-notes.html
Security Fix(es):
opentelemetry: DoS vulnerability in otelhttp (CVE-2023-45142)
opentelemetry-go-contrib: DoS vulnerability in otelgrpc due to unbound cardinality metrics (CVE-2023-47108)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
All OpenShift Container Platform 4.14 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.14/updating/updating_a_cluster/updating-cluster-cli.html
Solution:
CVEs:
CVE-2023-45142
References:
https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2245180
https://bugzilla.redhat.com/show_bug.cgi?id=2251198
https://issues.redhat.com/browse/OCPBUGS-19431
https://issues.redhat.com/browse/OCPBUGS-22360
https://issues.redhat.com/browse/OCPBUGS-22788
https://issues.redhat.com/browse/OCPBUGS-22895
https://issues.redhat.com/browse/OCPBUGS-23936
https://issues.redhat.com/browse/OCPBUGS-24037
https://issues.redhat.com/browse/OCPBUGS-24640
https://issues.redhat.com/browse/OCPBUGS-25595
https://issues.redhat.com/browse/OCPBUGS-25804
https://issues.redhat.com/browse/OCPBUGS-25997
https://issues.redhat.com/browse/OCPBUGS-26006
https://issues.redhat.com/browse/OCPBUGS-26044
https://issues.redhat.com/browse/OCPBUGS-26065
https://issues.redhat.com/browse/OCPBUGS-26171
https://issues.redhat.com/browse/OCPBUGS-26207
https://issues.redhat.com/browse/OCPBUGS-26214
https://issues.redhat.com/browse/OCPBUGS-26421
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### Summary The grpc Unary Server Interceptor [opentelemetry-go-contrib/instrumentation/google.golang.org/grpc/otelgrpc/interceptor.go](https://github.com/open-telemetry/opentelemetry-go-contrib/blob/9d4eb7e7706038b07d33f83f76afbe13f53d171d/instrumentation/google.golang.org/grpc/otelgrpc/interceptor.go#L327) ``` // UnaryServerInterceptor returns a grpc.UnaryServerInterceptor suitable // for use in a grpc.NewServer call. func UnaryServerInterceptor(opts ...Option) grpc.UnaryServerInterceptor { ``` out of the box adds labels - `net.peer.sock.addr` - `net.peer.sock.port` that have unbound cardinality. It leads to the server's potential memory exhaustion when many malicious requests are sent. ### Details An attacker can easily flood the peer address and port for requests. ### PoC Apply the attached patch to the example and run the client multiple times. Observe how each request will create a unique histogram and how the memory consumption increases during it. ### Impact In o...
OpenTelemetry-Go Contrib is a collection of third-party packages for OpenTelemetry-Go. Prior to version 0.46.0, the grpc Unary Server Interceptor out of the box adds labels `net.peer.sock.addr` and `net.peer.sock.port` that have unbound cardinality. It leads to the server's potential memory exhaustion when many malicious requests are sent. An attacker can easily flood the peer address and port for requests. Version 0.46.0 contains a fix for this issue. As a workaround to stop being affected, a view removing the attributes can be used. The other possibility is to disable grpc metrics instrumentation by passing `otelgrpc.WithMeterProvider` option with `noop.NewMeterProvider`.
### Summary OpenTelemetry-Go Contrib has a [handler wrapper `otelhttp`](https://github.com/open-telemetry/opentelemetry-go-contrib/blob/5f7e6ad5a49b45df45f61a1deb29d7f1158032df/instrumentation/net/http/otelhttp/handler.go#L63-L65) that adds the following labels by deafult that have unbound cardinality: - `http.user_agent` - `http.method` This leads to the server's potential memory exhaustion when many malicious requests are sent to it. ### Details HTTP header User-Agent or HTTP method for requests can be easily set by an attacker to be random and long. The library internally uses [httpconv.ServerRequest](https://github.com/open-telemetry/opentelemetry-go/blob/v1.12.0/semconv/internal/v2/http.go#L159) that records every value for HTTP [method](https://github.com/open-telemetry/opentelemetry-go/blob/38e1b499c3da3107694ad2660b3888eee9c8b896/semconv/internal/v2/http.go#L204) and [User-Agent](https://github.com/open-telemetry/opentelemetry-go/blob/38e1b499c3da3107694ad2660b3888eee9c8b8...
OpenTelemetry-Go Contrib is a collection of third-party packages for OpenTelemetry-Go. A handler wrapper out of the box adds labels `http.user_agent` and `http.method` that have unbound cardinality. It leads to the server's potential memory exhaustion when many malicious requests are sent to it. HTTP header User-Agent or HTTP method for requests can be easily set by an attacker to be random and long. The library internally uses `httpconv.ServerRequest` that records every value for HTTP `method` and `User-Agent`. In order to be affected, a program has to use the `otelhttp.NewHandler` wrapper and not filter any unknown HTTP methods or User agents on the level of CDN, LB, previous middleware, etc. Version 0.44.0 fixed this issue when the values collected for attribute `http.request.method` were changed to be restricted to a set of well-known values and other high cardinality attributes were removed. As a workaround to stop being affected, `otelhttp.WithFilter()` can be used, but it requir...