#VU86073 Externally Controlled Reference to a Resource in Another Sphere in Kubernetes


Vulnerability identifier: #VU86073

Vulnerability risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-25740

CWE-ID: CWE-610

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Kubernetes
Server applications / Frameworks for developing and running applications

Vendor: Kubernetes

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote users can send network traffic to locations they would otherwise not have access to via a confused deputy attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Kubernetes:


External links
http://groups.google.com/g/kubernetes-security-announce/c/WYE9ptrhSLE
http://github.com/kubernetes/kubernetes/issues/103675
http://security.netapp.com/advisory/ntap-20211014-0001/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability