PT-2021-21192 · Canonical · Multipass

Micah Lee · CVE-2021-3626 · Published 2021-10-01 · Updated 2022-10-27

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Multipass versions prior to 1.7.0

Description The issue allows any local process to connect to the localhost TCP control socket, enabling mounts from the operating system to a guest. This can lead to privilege escalation.

Recommendations For versions prior to 1.7.0, update to version 1.7.0 or later to resolve the issue.

Fix

Improper Access Control

Weakness Enumeration

CWE-73

CWE-284

Related Identifiers

CVE-2021-3626

Affected Products

Multipass

References · 3

• https://github.com/canonical/multipass/pull/2150 · Patch
• https://osv.dev/vulnerability/CVE-2021-3626 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3626 · Security Note