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CVE-2018-1002105Date: (C)2018-12-07   (M)2023-12-22


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 Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 9.8CVSS Score : 7.5
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
BID-106068
EXPLOIT-DB-46052
EXPLOIT-DB-46053
RHSA-2018:3537
RHSA-2018:3549
RHSA-2018:3551
RHSA-2018:3598
RHSA-2018:3624
RHSA-2018:3742
RHSA-2018:3752
RHSA-2018:3754
http://www.openwall.com/lists/oss-security/2019/06/28/2
http://www.openwall.com/lists/oss-security/2019/07/06/4
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
openSUSE-SU-2020:0554

CPE    1
cpe:/a:kubernetes:kubernetes
CWE    1
CWE-388
OVAL    14
oval:org.secpod.oval:def:49672
oval:org.secpod.oval:def:49673
oval:org.secpod.oval:def:502564
oval:org.secpod.oval:def:116118
...

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