Insecure Handling of Tar Data in Kubernetes by Vendor K8s
CVE-2018-1002100

4.2MEDIUM

Key Information:

Vendor

Kubernetes
Status
Kubernetes
Vendor
CVE Published:
3 October 2022

What is CVE-2018-1002100?

In Kubernetes versions prior to 1.9.6, the 'kubectl cp' command improperly handles tar data returned from container instances. This flaw could potentially allow an attacker to overwrite arbitrary files on the local system. Such vulnerabilities can lead to unauthorized access and have severe implications for system integrity and data security.

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Affected Version(s)

Kubernetes v1.5.x

Kubernetes v1.6.x

Kubernetes v1.7.x

References

https://github.com/kubernetes/kubernetes/issues/61297
x_refsource_CONFIRM
https://hansmi.ch/articles/2018-04-openshift-s2i-security
x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=1564305
x_refsource_CONFIRM

CVSS V3.1

Score:
4.2
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
Required
Scope:
Unchanged

CVSS V3.0

Score:
4.2
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Reported by Michael Hanselmann
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