mirror of
https://github.com/CVEProject/cvelist.git
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159 lines
6.5 KiB
JSON
159 lines
6.5 KiB
JSON
{
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"CVE_data_meta": {
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"ASSIGNER": "security@kubernetes.io",
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"DATE_PUBLIC": "2020-07-15T00:00:00.000Z",
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"ID": "CVE-2020-8557",
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"STATE": "PUBLIC",
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"TITLE": "Kubernetes node disk Denial of Service by writing to container /etc/hosts"
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"product": {
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"product_data": [
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{
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"product_name": "Kubernetes",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "1.18",
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"version_value": "1.18.6"
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},
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{
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"version_affected": "<",
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"version_name": "1.17",
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"version_value": "1.17.9"
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},
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{
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"version_affected": "<",
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"version_name": "1.16",
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"version_value": "1.16.13"
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},
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{
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"version_value": "1.15"
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},
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{
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"version_value": "1.14"
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},
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{
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"version_value": "1.13"
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},
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{
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"version_value": "1.12"
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},
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{
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"version_value": "1.11"
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},
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{
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"version_value": "1.10"
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},
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{
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"version_value": "1.9"
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},
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{
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"version_value": "1.8"
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},
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{
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"version_value": "1.7"
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},
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{
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"version_value": "1.6"
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},
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{
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"version_value": "1.5"
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},
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{
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"version_value": "1.4"
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},
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{
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"version_value": "1.3"
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},
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{
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"version_value": "1.2"
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},
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{
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"version_value": "1.1"
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}
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]
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}
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}
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]
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},
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"vendor_name": "Kubernetes"
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}
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]
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}
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},
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"credit": [
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{
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"lang": "eng",
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"value": "Kebe Liu of DaoCloud"
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}
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],
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"data_format": "MITRE",
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"data_type": "CVE",
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"data_version": "4.0",
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "The Kubernetes kubelet component in versions 1.1-1.16.12, 1.17.0-1.17.8 and 1.18.0-1.18.5 do not account for disk usage by a pod which writes to its own /etc/hosts file. The /etc/hosts file mounted in a pod by kubelet is not included by the kubelet eviction manager when calculating ephemeral storage usage by a pod. If a pod writes a large amount of data to the /etc/hosts file, it could fill the storage space of the node and cause the node to fail."
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}
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]
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},
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"generator": {
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"engine": "Vulnogram 0.0.9"
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},
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"impact": {
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"cvss": {
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"attackComplexity": "LOW",
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"attackVector": "LOCAL",
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"availabilityImpact": "HIGH",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "LOW",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"version": "3.1"
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}
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "CWE-400 Uncontrolled Resource Consumption"
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}
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]
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}
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]
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},
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"references": {
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"reference_data": [
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{
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"name": "https://github.com/kubernetes/kubernetes/issues/93032",
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"refsource": "CONFIRM",
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"url": "https://github.com/kubernetes/kubernetes/issues/93032"
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},
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{
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"name": "[Security Advisory] CVE-2020-8557: Node disk DOS by writing to container /etc/hosts",
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"refsource": "MLIST",
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"url": "https://groups.google.com/g/kubernetes-security-announce/c/cB_JUsYEKyY/m/vVSO61AhBwAJ"
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},
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{
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"refsource": "CONFIRM",
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"name": "https://security.netapp.com/advisory/ntap-20200821-0002/",
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"url": "https://security.netapp.com/advisory/ntap-20200821-0002/"
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}
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]
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},
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"source": {
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"discovery": "USER"
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}
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} |