CVE-2018-1002105

In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to proxied upgrade requests in the kube-apiserver allowed specially crafted requests to establish a connection through the Kubernetes API server to backend servers, then send arbitrary requests over the same connection directly to the backend, authenticated with the Kubernetes API server's TLS credentials used to establish the backend connection.

• CWE-388

• http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html
• http://www.openwall.com/lists/oss-security/2019/06/28/2
• http://www.openwall.com/lists/oss-security/2019/07/06/3
• http://www.openwall.com/lists/oss-security/2019/07/06/4
• http://www.securityfocus.com/bid/106068Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2018:3537Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3549Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3551Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3598Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3624Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3742Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3752Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3754Third Party Advisory
• https://github.com/evict/poc_CVE-2018-1002105Exploit, Third Party Advisory
• https://github.com/kubernetes/kubernetes/issues/71411Issue Tracking, Mitigation, Patch, Third Party Advisory
• https://groups.google.com/forum/#%21topic/kubernetes-announce/GVllWCg6L88
• https://security.netapp.com/advisory/ntap-20190416-0001/Third Party Advisory
• https://www.coalfire.com/The-Coalfire-Blog/December-2018/Kubernetes-Vulnerability-What-You-Can-Should-DoMitigation, Third Party Advisory
• https://www.exploit-db.com/exploits/46052/Exploit, Third Party Advisory, VDB Entry
• https://www.exploit-db.com/exploits/46053/Exploit, Third Party Advisory, VDB Entry
• http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html
• http://www.openwall.com/lists/oss-security/2019/06/28/2
• http://www.openwall.com/lists/oss-security/2019/07/06/3
• http://www.openwall.com/lists/oss-security/2019/07/06/4
• http://www.securityfocus.com/bid/106068Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2018:3537Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3549Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3551Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3598Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3624Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3742Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3752Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3754Third Party Advisory
• https://github.com/evict/poc_CVE-2018-1002105Exploit, Third Party Advisory
• https://github.com/kubernetes/kubernetes/issues/71411Issue Tracking, Mitigation, Patch, Third Party Advisory
• https://groups.google.com/forum/#%21topic/kubernetes-announce/GVllWCg6L88
• https://security.netapp.com/advisory/ntap-20190416-0001/Third Party Advisory
• https://www.coalfire.com/The-Coalfire-Blog/December-2018/Kubernetes-Vulnerability-What-You-Can-Should-DoMitigation, Third Party Advisory
• https://www.exploit-db.com/exploits/46052/Exploit, Third Party Advisory, VDB Entry
• https://www.exploit-db.com/exploits/46053/Exploit, Third Party Advisory, VDB Entry

Published

Dec 5, 2018

Last Modified

Jun 17, 2026

Status

Modified

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