Vulnerability Information
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Vulnerability Title
KubeVirt Isolation Detection Flaw Allows Arbitrary File Permission Changes
Vulnerability Description
KubeVirt is a virtual machine management add-on for Kubernetes. In versions before 1.5.3 and 1.6.1, the virt-handler does not verify whether the launcher-sock is a symlink or a regular file. This oversight can be exploited, for example, to change the ownership of arbitrary files on the host node to the unprivileged user with UID 107 (the same user used by virt-launcher) thus, compromising the CIA (Confidentiality, Integrity and Availability) of data on the host. To successfully exploit this vulnerability, an attacker should be in control of the file system of the virt-launcher pod. This vulnerability is fixed in 1.5.3 and 1.6.1.
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Vulnerability Title
Kubevirt 后置链接漏洞
Vulnerability Description
Kubevirt是KubeVirt开源的一款虚拟机管理器。 KubeVirt 1.5.3之前版本和1.6.1之前版本存在后置链接漏洞，该漏洞源于virt-handler未验证launcher-sock是否为符号链接或常规文件，可能导致主机节点上任意文件所有权被更改。
CVSS Information
N/A
Vulnerability Type
N/A