Incorrect authorization in Kubevirt - CVE-2023-26484

 

Incorrect authorization in Kubevirt - CVE-2023-26484

Published: April 24, 2023


Vulnerability identifier: #VU75445
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-26484
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Kubevirt
Affected software:
Kubevirt

Detailed vulnerability description

The vulnerability allows a remote user to compromise the cluster.

The vulnerability exists due to incorrect authorization, which allows the virt-handler service account to modify all node specs. A remote user can elevate privileges beyond the node and gain access to the whole cluster.


How to mitigate CVE-2023-26484

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources