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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 87.0%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 86.98% probability · 100th percentile
- Public exploits
- 2 in Exploit-DB · first 10 December 2018
- CISA KEV
- Not listed
- Weakness
- CWE-388
- Affected
- kubernetes/kubernetes · redhat/openshift container platform · netapp/trident
- Source
- jordan@liggitt.net
EPSS 87.0% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (2)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
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/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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.