CVE-2018-1002105
9.8CVSSCRITICAL
Description
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 Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
and 1 more affected products View all →
Exploitability
5 exploit sources identified
Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.
View exploit details Official Patch Available
Workaround Available
References
https://groups.google.com/forum/#%21topic/kubernetes-announce/GVllWCg6L88
groups.google.com
https://www.exploit-db.com/exploits/46053/
exploit-db.com
https://access.redhat.com/errata/RHSA-2018:3549
access.redhat.com
and 29 more references View all →
Timeline
Published
Dec 5, 2018
Last Updated
Nov 21, 2024
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