Headline
Red Hat Security Advisory 2024-4858-03
Red Hat Security Advisory 2024-4858-03 - Red Hat OpenShift Container Platform release 4.16.5 is now available with updates to packages and images that fix several bugs and add enhancements. Issues addressed include deserialization and memory exhaustion vulnerabilities.
The following advisory data is extracted from:
https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_4858.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 4.16.5 packages and security update
Advisory ID: RHSA-2024:4858-03
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2024:4858
Issue date: 2024-07-31
Revision: 03
CVE Names: CVE-2024-6104
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Summary:
Red Hat OpenShift Container Platform release 4.16.5 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 4.16.
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 RPM packages for Red Hat OpenShift Container Platform 4.16.5. See the following advisory for the container images for this release:
https://access.redhat.com/errata/RHBA-2024:4855
Security Fix(es):
- gorilla/schema: Potential memory exhaustion attack due to sparse slice
deserialization (CVE-2024-37298) - go-retryablehttp: url might write sensitive information to log file
(CVE-2024-6104)
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 4.16 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/4.16/updating/updating_a_cluster/updating-cluster-cli.html
Solution:
https://docs.openshift.com/container-platform/4.16/release_notes/ocp-4-16-release-notes.html
CVEs:
CVE-2024-6104
References:
https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2294000
https://bugzilla.redhat.com/show_bug.cgi?id=2295010
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### Details Running `schema.Decoder.Decode()` on a struct that has a field of type `[]struct{...}` opens it up to malicious attacks regarding memory allocations, taking advantage of the sparse slice functionality. For instance, in the Proof of Concept written below, someone can specify to set a field of the billionth element and it will allocate all other elements before it in the slice. In the local environment environment for my project, I was able to call an endpoint like `/innocent_endpoint?arr.10000000.X=1` and freeze my system from the memory allocation while parsing `r.Form`. I think [this line](https://github.com/gorilla/schema/blob/main/decoder.go#L223) is responsible for allocating the slice, although I haven't tested to make sure, so it's just an educated guess. ### Proof of Concept The following proof of concept works on both v1.2.0 and v1.2.1. I have not tested earlier versions. ```go package main import ( "fmt" "github.com/gorilla/schema" ) func main() { dec :=...
go-retryablehttp prior to 0.7.7 did not sanitize urls when writing them to its log file. This could lead to go-retryablehttp writing sensitive HTTP basic auth credentials to its log file. This vulnerability, CVE-2024-6104, was fixed in go-retryablehttp 0.7.7.