Access Control Flaw in Gardener Affects Seed Clusters
CVE-2019-12494

8.5HIGH

Key Information:

Vendor

Gardener

Status
Gardener
Vendor
CVE Published:
5 June 2019

What is CVE-2019-12494?

In versions of Gardener prior to 0.20.0, an access control misconfiguration in seed clusters enables potential information disclosure. This vulnerability arises from the inability to properly restrict HTTP GET requests originating from one shoot cluster to other foreign shoot clusters. The flaw exists due to a failure to block traffic from shoot to seed clusters via the VPN endpoint, potentially allowing attackers to exploit this weakness.

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References

https://github.com/gardener/vpn/issues/40
x_refsource_MISC
https://github.com/gardener/gardener/pull/874
x_refsource_MISC
https://groups.google.com/forum/#%21topic/gardener/pH6dNI...
x_refsource_CONFIRM

CVSS V3.1

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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