CVE-2021-36370
Publication date 30 August 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
mc | 24.10 oracular |
Not affected
|
24.04 LTS noble |
Not affected
|
|
22.04 LTS jammy |
Fixed 3:4.8.27-1
|
|
20.04 LTS focal |
Fixed 3:4.8.24-2ubuntu1+esm1
|
|
18.04 LTS bionic |
Fixed 3:4.8.19-1ubuntu0.1~esm1
|
|
16.04 LTS xenial |
Fixed 3:4.8.15-2ubuntu0.1~esm1
|
|
14.04 LTS trusty |
Fixed 3:4.8.11-1ubuntu0.1~esm1
|
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Get Ubuntu ProSeverity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 · High |
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
Related Ubuntu Security Notices (USN)
- USN-5160-1
- Midnight Commander vulnerability
- 9 August 2022
Other references
- https://github.com/MidnightCommander/mc/commit/9235d3c232d13ad7f973346077c9cf2eaa77dc5f
- 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://www.cve.org/CVERecord?id=CVE-2021-36370