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kubernetes: Node disk DOS by writing to container /etc/hosts

🗓️ 24 Aug 2020 14:53:26Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

Kubernetes flaw allows denial of service by unlimited writes to /etc/hosts from attacker pods.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: API Connect is vulnerable to denial of service via Kubernetes (CVE-2020-8557, CVE-2020-8559)
8 Oct 202001:32
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in Kubernetes affect IBM InfoSphere Information Server
1 Apr 202120:53
–ibm
IBM Security Bulletins		Security Bulletin: IBM Cloud Private is vulnerable to Kubernetes vulnerabilities (CVE-2020-8557, CVE-2020-8559)
28 Sep 202020:01
–ibm
IBM Security Bulletins		Security Bulletin: IBM Cloud Kubernetes Service is affected by a Kubernetes kubelet security vulnerability (CVE-2020-8557)
22 Jul 202017:36
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities affect IBM® Db2® On Openshift and IBM® Db2® and Db2 Warehouse® on Cloud Pak for Data
29 Jun 202217:05
–ibm
IBM Security Bulletins		Security Bulletin: Red Hat OpenShift on IBM Cloud is affected by a Kubernetes kubelet security vulnerability (CVE-2020-8557)
9 Oct 202017:08
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in the Python, Docker, and ICP affect IBM Spectrum Discover
13 May 202116:56
–ibm
AlpineLinux		CVE-2020-8557
23 Jul 202016:59
–alpinelinux
Circl		CVE-2020-8557
16 Jul 202012:44
–circl
CVE		CVE-2020-8557
23 Jul 202016:59
–cve
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64leopenshift-hyperkube0:4.5.0-202008130146.p0.git.0.aaf1d57.el7openshift-hyperkube-0:4.5.0-202008130146.p0.git.0.aaf1d57.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xopenshift-hyperkube0:4.5.0-202008130146.p0.git.0.aaf1d57.el7openshift-hyperkube-0:4.5.0-202008130146.p0.git.0.aaf1d57.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64openshift-hyperkube0:4.5.0-202008130146.p0.git.0.aaf1d57.el7openshift-hyperkube-0:4.5.0-202008130146.p0.git.0.aaf1d57.el7.x86_64.rpm
Red Hat Enterprise Linux8ppc64leopenshift-hyperkube0:4.5.0-202008130146.p0.git.0.aaf1d57.el8openshift-hyperkube-0:4.5.0-202008130146.p0.git.0.aaf1d57.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xopenshift-hyperkube0:4.5.0-202008130146.p0.git.0.aaf1d57.el8openshift-hyperkube-0:4.5.0-202008130146.p0.git.0.aaf1d57.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64openshift-hyperkube0:4.5.0-202008130146.p0.git.0.aaf1d57.el8openshift-hyperkube-0:4.5.0-202008130146.p0.git.0.aaf1d57.el8.x86_64.rpm

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21 Nov 2025 18:16Current
6.8Medium risk
Vulners AI Score6.8
CVSS 22.1
CVSS 3.15.5
EPSS0.00501
CWE-400
Kuberneteshosts filedenial of servicenode diskattacker pods
2