CVE-2018-1002105

CRITICALImmediate

Published:Dec 5, 2018(7 years ago)

Modified:Nov 21, 2024

Remote ExploitNo Auth RequiredNo InteractionLow Complexity

Vulnerability 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.

Attack Characteristics

Network AccessLow ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
kubernetes	kubernetes	1.0.0 - 1.9.11	-
kubernetes	kubernetes	1.10.0 - 1.10.10	-
kubernetes	kubernetes

Timeline

Published
CVE disclosed publicly
Dec 5, 20187 years ago
Last Modified
Most recent update
Nov 21, 20241 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20262 months ago

References

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041....
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

CVSS Score

v3.1

9.8/ 10.0

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

At a Glance

Affected Products

References

kubernetes / kubernetes

http://www.securityfocus.com/bid/106068Third Party Advisory

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

https://github.com/kubernetes/kubernetes/issues/71411Issue Tracking

https://groups.google.com/forum/#%21topic/kubernetes-announce/GVllWCg6...

https://security.netapp.com/advisory/ntap-20190416-0001/Third Party Advisory

https://www.coalfire.com/The-Coalfire-Blog/December-2018/Kubernetes-Vu...Mitigation

https://www.exploit-db.com/exploits/46052/Exploit

https://www.exploit-db.com/exploits/46053/Exploit

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041....

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