CVE-2021-41868

2021-10-0414:15:07

Debian Security Bug Tracker

security-tracker.debian.org

onionshare

unauthenticated attackers

upload files

non-public node

--receive

security vulnerability

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.011

Percentile

84.7%

JSON

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

OSVersionArchitecturePackageVersionFilename
Debian12allonionshare< 2.5-1onionshare_2.5-1_all.deb
Debian11allonionshare<= 2.2-3+deb11u2onionshare_2.2-3+deb11u2_all.deb
Debian999allonionshare< 2.5-1onionshare_2.5-1_all.deb
Debian13allonionshare< 2.5-1onionshare_2.5-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	onionshare	< 2.5-1	onionshare_2.5-1_all.deb
Debian	11	all	onionshare	<= 2.2-3+deb11u2	onionshare_2.2-3+deb11u2_all.deb
Debian	999	all	onionshare	< 2.5-1	onionshare_2.5-1_all.deb
Debian	13	all	onionshare	< 2.5-1	onionshare_2.5-1_all.deb