CVE-2021-36370

Published: 30 August 2021

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.

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
mc Launchpad, Ubuntu, Debian	bionic	Released (3:4.8.19-1ubuntu0.1~esm1) Available with Ubuntu Pro
	focal	Released (3:4.8.24-2ubuntu1+esm1) Available with Ubuntu Pro
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Released (3:4.8.27-1)
	kinetic	Not vulnerable (3:4.8.27-1)
	lunar	Not vulnerable (3:4.8.27-1)
	mantic	Not vulnerable (3:4.8.27-1)
	trusty	Released (3:4.8.11-1ubuntu0.1~esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	upstream	Released (3:4.8.27-1)
	xenial	Released (3:4.8.15-2ubuntu0.1~esm1) Available with Ubuntu Pro
	Patches: upstream: https://github.com/MidnightCommander/mc/commit/9235d3c232d13ad7f973346077c9cf2eaa77dc5f

Severity score breakdown

Parameter	Value
Base score	7.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

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