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CVE-2020-8933

HIGH 7.8

Our Analysis: General Purpose

Our model has classified this vulnerability as relevant to General Purpose Systems, helping your team prioritize efforts effectively.

Published Date June 22, 2020
Last Modified November 21, 2024
CVSS Vector Not Available

Description

A vulnerability in Google Cloud Platform's guest-oslogin versions between 20190304 and 20200507 allows a user that is only granted the role "roles/compute.osLogin" to escalate privileges to root. Using the membership to the "lxd" group, an attacker can attach host devices and filesystems. Within an lxc container, it is possible to attach the host OS filesystem and modify /etc/sudoers to then gain administrative privileges. All images created after 2020-May-07 (20200507) are fixed, and if you cannot update, we recommend you edit /etc/group/security.conf and remove the "lxd" user from the OS Login entry.

Potentially Affected Vendors