CVE-2024-45496

Openshift-controller-manager: elevated build pods can lead to node compromise in openshift

Description

A flaw was found in OpenShift. This issue occurs due to the misuse of elevated privileges in the OpenShift Container Platform's build process. During the build initialization step, the git-clone container is run with a privileged security context, allowing unrestricted access to the node. An attacker with developer-level access can provide a crafted .gitconfig file containing commands executed during the cloning process, leading to arbitrary command execution on the worker node. An attacker running code in a privileged container could escalate their permissions on the node running the container.

Remediation

Workaround:

  • Cluster admins can follow the instructions in "Securing Builds by Strategy" to block use of the "Docker" and “Source” build strategies on a cluster, or restrict the use to a set of highly trusted users, until the cluster is able to be upgraded. https://docs.openshift.com/container-platform/4.16/cicd/builds/securing-builds-by-strategy.html

Category

9.9
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.18%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat Red Hat OpenShift Container Platform 4.12
Affected: Red Hat Red Hat OpenShift Container Platform 4.13
Affected: Red Hat Red Hat OpenShift Container Platform 4.14
Affected: Red Hat Red Hat OpenShift Container Platform 4.15
Affected: Red Hat Red Hat OpenShift Container Platform 4.16
Affected: Red Hat Red Hat OpenShift Container Platform 4.17
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2024:3718 vendor advisory
https://access.redhat.com/errata/RHSA-2024:6685 vendor advisory
https://access.redhat.com/errata/RHSA-2024:6687 vendor advisory
https://access.redhat.com/errata/RHSA-2024:6689 vendor advisory
https://access.redhat.com/errata/RHSA-2024:6691 vendor advisory
https://access.redhat.com/errata/RHSA-2024:6705 vendor advisory
https://access.redhat.com/security/cve/CVE-2024-45496 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2308661 issue tracking

Frequently Asked Questions

What is the severity of CVE-2024-45496?
CVE-2024-45496 has been scored as a critical severity vulnerability.
How to fix CVE-2024-45496?
As a workaround for remediating CVE-2024-45496: Cluster admins can follow the instructions in "Securing Builds by Strategy" to block use of the "Docker" and “Source” build strategies on a cluster, or restrict the use to a set of highly trusted users, until the cluster is able to be upgraded. https://docs.openshift.com/container-platform/4.16/cicd/builds/securing-builds-by-strategy.html
Is CVE-2024-45496 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-45496 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-45496?
CVE-2024-45496 affects Red Hat Red Hat OpenShift Container Platform 4.12, Red Hat Red Hat OpenShift Container Platform 4.13, Red Hat Red Hat OpenShift Container Platform 4.14, Red Hat Red Hat OpenShift Container Platform 4.15, Red Hat Red Hat OpenShift Container Platform 4.16, Red Hat Red Hat OpenShift Container Platform 4.17.
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