OpenCVE

On Windows, restricted files can be accessed via os.DirFS and http.Dir. The os.DirFS function and http.Dir type provide access to a tree of files rooted at a given directory. These functions permit access to Windows device files under that root. For example, os.DirFS("C:/tmp").Open("COM1") opens the COM1 device. Both os.DirFS and http.Dir only provide read-only filesystem access. In addition, on Windows, an os.DirFS for the directory (the root of the current drive) can permit a maliciously crafted path to escape from the drive and access any path on the system. With fix applied, the behavior of os.DirFS("") has changed. Previously, an empty root was treated equivalently to "/", so os.DirFS("").Open("tmp") would open the path "/tmp". This now returns an error.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Golang	Go
Microsoft	Windows

Configuration 1 [-]

AND

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

OR	cpe:2.3:a:golang:go::::::::
	cpe:2.3:a:golang:go::::::::

No data.

References

Link	Providers
https://go.dev/cl/455716
https://go.dev/issue/56694
https://groups.google.com/g/golang-announce/c/L_3rmdT0BMU/m/yZDrXjIiBQAJ
https://nvd.nist.gov/vuln/detail/CVE-2022-41720
https://pkg.go.dev/vuln/GO-2022-1143
https://www.cve.org/CVERecord?id=CVE-2022-41720

History

No history.

MITRE

Status: PUBLISHED

Assigner: Go

Published: 2022-12-07T16:11:18.867Z

Updated: 2024-08-03T12:49:43.510Z

Reserved: 2022-09-28T17:00:06.609Z

Link: CVE-2022-41720

Vulnrichment

No data.

NVD

Status : Analyzed

Published: 2022-12-07T17:15:10.293

Modified: 2022-12-12T14:58:01.733

Link: CVE-2022-41720

Redhat

Severity : Important

Publid Date: 2022-12-07T00:00:00Z

Links: CVE-2022-41720 - Bugzilla

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{"bugzilla": {"description": "golang: os, net/http: avoid escapes from os.DirFS and http.Dir on Windows", "id": "2161271", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2161271"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-22", "details": ["On Windows, restricted files can be accessed via os.DirFS and http.Dir. The os.DirFS function and http.Dir type provide access to a tree of files rooted at a given directory. These functions permit access to Windows device files under that root. For example, os.DirFS(\"C:/tmp\").Open(\"COM1\") opens the COM1 device. Both os.DirFS and http.Dir only provide read-only filesystem access. In addition, on Windows, an os.DirFS for the directory (the root of the current drive) can permit a maliciously crafted path to escape from the drive and access any path on the system. With fix applied, the behavior of os.DirFS(\"\") has changed. Previously, an empty root was treated equivalently to \"/\", so os.DirFS(\"\").Open(\"tmp\") would open the path \"/tmp\". This now returns an error.", "A flaw was found in OS, net/http golang library. In Windows, restricted files can be accessed via os.DirFS and http.Dir. The os.DirFS function and http.Dir type provide access to a tree of files rooted in a given directory. These functions permit access to Windows device files under that root. For example, os.DirFS(\"C:/tmp\").Open(\"COM1\") opens the COM1 device. Both os.DirFS and http.Dir only provide read-only filesystem access. In addition, on Windows, an os.DirFS for the directory (the root of the current drive) can permit a maliciously crafted path to escape from the drive and access any path on the system. With the fix applied, the behavior of os.DirFS(\"\") has changed. Previously, an empty root was treated equivalently to \"/\", so os.DirFS(\"\").Open(\"tmp\") would open the path \"/tmp\". 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"product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "grafana-pcp", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "ignition", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "osbuild-composer", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "podman", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "skopeo", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "toolbox", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "weldr-client", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "buildah", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "butane", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "conmon", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "containernetworking-plugins", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "cri-o", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "cri-tools", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "ignition", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "microshift", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift-clients", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift-golang-builder-container", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "podman", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "skopeo", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Not affected", "package_name": "mcg", "product_name": "Red Hat Openshift Data Foundation 4"}, {"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Not affected", "package_name": "odf4/cephcsi-rhel8", "product_name": "Red Hat Openshift Data Foundation 4"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3::el8", "fix_state": "Not affected", "package_name": "devspaces/udi-rhel8", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_distributed_tracing:2", "fix_state": "Not affected", "package_name": "rhosdt/jaeger-agent-rhel8", "product_name": "Red Hat OpenShift distributed tracing 2"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Not affected", "package_name": "openshift-gitops-1/gitops-rhel8", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Not affected", "package_name": "openshift-gitops-kam", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:openshift_service_on_aws:1", "fix_state": "Not affected", "package_name": "rosa", "product_name": "Red Hat OpenShift on AWS"}, {"cpe": "cpe:/a:redhat:openshift_sandboxed_containers:1", "fix_state": "Not affected", "package_name": "openshift-sandboxed-containers-tech-preview/osc-rhel8-operator", "product_name": "Red Hat Openshift sandboxed containers"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-api", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "kubevirt", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Not affected", "package_name": "collectd-libpod-stats", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Not affected", "package_name": "etcd", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Not affected", "package_name": "golang-github-infrawatch-apputils", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:16.2", "fix_state": "Not affected", "package_name": "rhosp-rhel8/osp-director-agent", "product_name": "Red Hat OpenStack Platform 16.2"}, {"cpe": "cpe:/a:redhat:openstack:17.0", "fix_state": "Not affected", "package_name": "collectd-libpod-stats", "product_name": "Red Hat OpenStack Platform 17.0"}, {"cpe": "cpe:/a:redhat:openstack:17.0", "fix_state": "Not affected", "package_name": "golang-github-infrawatch-apputils", "product_name": "Red Hat OpenStack Platform 17.0"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Not affected", "package_name": "quay/clair-rhel8", "product_name": "Red Hat Quay 3"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "foreman_ygg_worker", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "satellite:el8/yggdrasil-worker-forwarder", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "yggdrasil", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "yggdrasil-worker-forwarder", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Not affected", "package_name": "golang", "product_name": "Red Hat Storage 3"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Not affected", "package_name": "go-toolset-7-golang", "product_name": "Red Hat Storage 3"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Not affected", "package_name": "heketi", "product_name": "Red Hat Storage 3"}, {"cpe": "cpe:/a:redhat:webterminal:1", "fix_state": "Not affected", "package_name": "web-terminal-exec-container", "product_name": "Red Hat Web Terminal"}, {"cpe": "cpe:/a:redhat:workload_availability_self_node_remediation", "fix_state": "Not affected", "package_name": "workload-availability/self-node-remediation-rhel8-operator", "product_name": "Self Node Remediation Operator"}, {"cpe": "cpe:/a:redhat:service_telemetry_framework:1.4::el8", "fix_state": "Not affected", "package_name": "stf/sg-core-rhel8", "product_name": "Service Telemetry Framework 1.4 for RHEL 8"}, {"cpe": "cpe:/a:redhat:service_telemetry_framework:1.5::el8", "fix_state": "Affected", "package_name": "stf/sg-core-rhel8", "product_name": "Service Telemetry Framework 1.5 for RHEL 8"}, {"cpe": "cpe:/a:redhat:amq_streams:1", "fix_state": "Not affected", "package_name": "golang-github-danielqsj-kafka_exporter", "product_name": "streams for Apache Kafka"}], "public_date": "2022-12-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-41720\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-41720\nhttps://go.dev/cl/455716\nhttps://go.dev/issue/56694\nhttps://groups.google.com/g/golang-announce/c/L_3rmdT0BMU/m/yZDrXjIiBQAJ\nhttps://pkg.go.dev/vuln/GO-2022-1143"], "threat_severity": "Important"}