Critical [CVE-2024-7387] Openshift/builder: path traversal allows command injection in privileged buildcontainer using docker build strategy
This critical-severity Red Hat Linux advisory covers CVE-2024-7387 affecting Red Hat OpenShift Container Platform 4.12, Red Hat OpenShift Container Platform 4.13, Red Hat OpenShift Container Platform 4.14.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published
Summary
A flaw was found in openshift/builder. When using the “Docker” strategy, executable files inside the privileged build container can be overridden using the `spec.source.secrets.secret.destinationDir` attribute of the `BuildConfig` definition.
An attacker running code in a privileged container could escalate their permissions on the node running the container. In all versions of OpenShift, the "Custom" build strategy gives developers permission to run arbitrary commands in a privileged container.
This is disabled by default, and documentation explicitly warns that this should only be enabled for highly trusted users (eg: cluster admins). We therefore do not consider this vulnerability a privilege escalation path for "Custom" strategy builds.
Microshift is not affected by this vulnerability. Red Hat severity: Important — CVSS 9.1 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).
Weakness: CWE-250. Affected Red Hat products: Red Hat OpenShift Container Platform 4.12; Red Hat OpenShift Container Platform 4.13; Red Hat OpenShift Container Platform 4.14; Red Hat OpenShift Container Platform 4.15; Red Hat OpenShift Container Platform 4.16; Red Hat OpenShift Container Platform 4.17; Red Hat OpenShift Container Platform 4.18.
Red Hat fixing advisory: RHSA-2024:6705, RHSA-2024:6691, RHSA-2024:6689, RHSA-2024:6685, RHSA-2024:6687, RHSA-2024:3718, RHSA-2024:6122.
Is CVE-2024-7387 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2024-7387 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2024-7387?
Upgrade to a fixed release named by Red Hat:
- openshift4/ose-docker-builder:v4.12.0-202409121032.p1.g609473f.assembly.stream.el8
- openshift4/ose-docker-builder:v4.13.0-202409120505.p1.g2c7e99d.assembly.stream.el8
- openshift4/ose-docker-builder:v4.14.0-202409111409.p1.g52565ca.assembly.stream.el8
- openshift4/ose-docker-builder:v4.15.0-202409101936.p1.ge7749a3.assembly.stream.el8
- openshift4/ose-docker-builder-rhel9:v4.16.0-202409101737.p1.gfee4b58.assembly.stream.el9
- openshift4/ose-docker-builder-rhel9:v4.17.0-202409122005.p1.gcfcf3bd.assembly.stream.el9
- openshift4/aws-kms-encryption-provider-rhel9:v4.18.0-202501230001.p0.g088dcaf.assembly.stream.el9
- openshift4/azure-kms-encryption-provider-rhel9:v4.18.0-202501230001.p0.gd4fb1b6.assembly.stream.el9
- openshift4/azure-service-rhel9-operator:v4.18.0-202501230001.p0.g11ced00.assembly.stream.el9
- openshift4/cloud-network-config-controller-rhel9:v4.18.0-202501230001.p0.gf648c78.assembly.stream.el9
- openshift4/container-networking-plugins-microshift-rhel9:v4.18.0-202501230001.p0.g24a6532.assembly.stream.el9
- openshift4/driver-toolkit-rhel9:v4.18.0-202502100301.p0.g2e139ed.assembly.stream.el9
35 more fixed releases are listed below.
Confirm against the vendor advisory before you patch.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.
Official advisory · high-confidence parse· fetched 19 days ago·verify at source
- openshift4/ose-docker-builder:v4.12.0-202409121032.p1.g609473f.assembly.stream.el8
- openshift4/ose-docker-builder:v4.13.0-202409120505.p1.g2c7e99d.assembly.stream.el8
- openshift4/ose-docker-builder:v4.14.0-202409111409.p1.g52565ca.assembly.stream.el8
- openshift4/ose-docker-builder:v4.15.0-202409101936.p1.ge7749a3.assembly.stream.el8
- openshift4/ose-docker-builder-rhel9:v4.16.0-202409101737.p1.gfee4b58.assembly.stream.el9
- openshift4/ose-docker-builder-rhel9:v4.17.0-202409122005.p1.gcfcf3bd.assembly.stream.el9
- openshift4/aws-kms-encryption-provider-rhel9:v4.18.0-202501230001.p0.g088dcaf.assembly.stream.el9
- openshift4/azure-kms-encryption-provider-rhel9:v4.18.0-202501230001.p0.gd4fb1b6.assembly.stream.el9
- openshift4/azure-service-rhel9-operator:v4.18.0-202501230001.p0.g11ced00.assembly.stream.el9
- openshift4/cloud-network-config-controller-rhel9:v4.18.0-202501230001.p0.gf648c78.assembly.stream.el9
- openshift4/container-networking-plugins-microshift-rhel9:v4.18.0-202501230001.p0.g24a6532.assembly.stream.el9
- openshift4/driver-toolkit-rhel9:v4.18.0-202502100301.p0.g2e139ed.assembly.stream.el9
- openshift4/egress-router-cni-rhel9:v4.18.0-202501230001.p0.g3193a75.assembly.stream.el9
- openshift4/frr-rhel9:v4.18.0-202502041302.p0.g1ad8f2e.assembly.stream.el9
- openshift4/insights-runtime-exporter-rhel9:v4.18.0-202501230001.p0.g7149f2d.assembly.stream.el9
- openshift4/insights-runtime-extractor-rhel9:v4.18.0-202501230001.p0.g7149f2d.assembly.stream.el9
- openshift4/kube-metrics-server-rhel9:v4.18.0-202501230001.p0.g962ccca.assembly.stream.el9
- openshift4/kubevirt-csi-driver-rhel9:v4.18.0-202501230001.p0.gba2234b.assembly.stream.el9
- openshift4/network-tools-rhel9:v4.18.0-202502111035.p0.gf76635f.assembly.stream.el9
- openshift4/oc-mirror-plugin-rhel9:v4.18.0-202502100934.p0.gc00c7c9.assembly.stream.el9
- openshift4/openshift-route-controller-manager-rhel9:v4.18.0-202501230001.p0.g07daee4.assembly.stream.el9
- openshift4/ose-agent-installer-api-server-rhel9:v4.18.0-202502040032.p0.ge5a4005.assembly.stream.el9
- openshift4/ose-agent-installer-csr-approver-rhel9:v4.18.0-202502040032.p0.g5348c85.assembly.stream.el9
- openshift4/ose-agent-installer-node-agent-rhel9:v4.18.0-202502041302.p0.g51a74ac.assembly.stream.el9
- openshift4/ose-agent-installer-orchestrator-rhel9:v4.18.0-202501230001.p0.g5348c85.assembly.stream.el9
- openshift4/ose-agent-installer-utils-rhel9:v4.18.0-202501230001.p0.g3f6d1d8.assembly.stream.el9
- openshift4/ose-apiserver-network-proxy-rhel9:v4.18.0-202501230001.p0.g0e11616.assembly.stream.el9
- openshift4/ose-aws-cloud-controller-manager-rhel9:v4.18.0-202501230001.p0.gc395190.assembly.stream.el9
- openshift4/ose-aws-cluster-api-controllers-rhel9:v4.18.0-202501230001.p0.g6bd77fc.assembly.stream.el9
- openshift4/ose-aws-ebs-csi-driver-rhel9:v4.18.0-202501230001.p0.gb51cd6b.assembly.stream.el9
- openshift4/ose-aws-ebs-csi-driver-rhel9-operator:v4.18.0-202501230001.p0.g9432fd3.assembly.stream.el9
- openshift4/ose-aws-pod-identity-webhook-rhel9:v4.18.0-202501230001.p0.g5c43fe8.assembly.stream.el9
- openshift4/ose-azure-cloud-controller-manager-rhel9:v4.18.0-202501230001.p0.g9c24d76.assembly.stream.el9
- openshift4/ose-azure-cloud-node-manager-rhel9:v4.18.0-202501230001.p0.g9c24d76.assembly.stream.el9
- openshift4/ose-azure-cluster-api-controllers-rhel9:v4.18.0-202501230001.p0.g987615c.assembly.stream.el9
- openshift4/ose-azure-disk-csi-driver-rhel9:v4.18.0-202501241902.p0.g6cced66.assembly.stream.el9
- openshift4/ose-azure-disk-csi-driver-rhel9-operator:v4.18.0-202501230001.p0.g9432fd3.assembly.stream.el9
- openshift4/ose-azure-file-csi-driver-operator-rhel9:v4.18.0-202501230001.p0.g9432fd3.assembly.stream.el9
- openshift4/ose-azure-file-csi-driver-rhel9:v4.18.0-202501230001.p0.g4b34592.assembly.stream.el9
- openshift4/ose-azure-workload-identity-webhook-rhel9:v4.18.0-202501230001.p0.g344c5dc.assembly.stream.el9
- RHSA-2024:6705
- RHSA-2024:6691
- RHSA-2024:6689
- RHSA-2024:6685
- RHSA-2024:6687
- RHSA-2024:3718
- RHSA-2024:6122
Official advisory · high-confidence parse· fetched 19 days ago·verify at source
Mitigation checklist
- Cluster admins can follow the instructions in "Securing Builds by Strategy" to block use of the "Docker" build strategy 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
Official advisory · high-confidence parse· fetched 19 days ago·verify at source
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