CVE-2021-36370 Information

Description

An issue was discovered in Midnight Commander through 4.8.26. When establishing an SFTP connection the fingerprint of the server is neither checked nor displayed. As a result a user connects to the server without the ability to verify its authenticity.

CVSS Vector

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

Reference

https://github.com/MidnightCommander/mc/blob/master/src/vfs/sftpfs/connection.c https://github.com/MidnightCommander/mc/blob/5c1d3c55dd15356ec7d079084d904b7b0fd58d3e/src/vfs/sftpfs/connection.c#L484 https://sourceforge.net/projects/mcwin32/files/ https://midnight-commander.org/ https://mail.gnome.org/archives/mc-devel/2021-August/msg00008.html https://docs.ssh-mitm.at/CVE-2021-36370.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5