CVE-2018-1002105
CRITICALEPSS 100th pctlDescription
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.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
References
- 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/106068
- https://access.redhat.com/errata/RHSA-2018:3537
- https://access.redhat.com/errata/RHSA-2018:3549
- https://access.redhat.com/errata/RHSA-2018:3551
- https://access.redhat.com/errata/RHSA-2018:3598
- https://access.redhat.com/errata/RHSA-2018:3624
- https://access.redhat.com/errata/RHSA-2018:3742
- https://access.redhat.com/errata/RHSA-2018:3752
- https://access.redhat.com/errata/RHSA-2018:3754
- https://github.com/evict/poc_CVE-2018-1002105
- https://github.com/kubernetes/kubernetes/issues/71411
- https://groups.google.com/forum/#%21topic/kubernetes-announce/GVllWCg6L88
- https://security.netapp.com/advisory/ntap-20190416-0001/
- https://www.coalfire.com/The-Coalfire-Blog/December-2018/Kubernetes-Vulnerability-What-You-Can-Should-Do
- https://www.exploit-db.com/exploits/46052/
- https://www.exploit-db.com/exploits/46053/
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.