Remote unauthenticated attackers able to upload files in Onionshare · CVE-2021-41868 · GitHub Advisory Database · GitHub

Remote unauthenticated attackers able to upload files in Onionshare

Critical severity GitHub Reviewed Published Nov 19, 2021 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

onionshare-cli (pip)

Affected versions

>= 2.3, < 2.4

Patched versions

2.4

Description

OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to upload files on a non-public node when using the --receive functionality.

References

Published by the National Vulnerability Database

Oct 4, 2021

Reviewed Oct 5, 2021

Published to the GitHub Advisory Database Nov 19, 2021

Last updated Jan 27, 2023

Severity

Critical

9.8

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H