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CVE-2019-6109

Publication date 14 January 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.8 · Medium

Score breakdown

An issue was discovered in OpenSSH 7.9. Due to missing character encoding in the progress display, a malicious server (or Man-in-The-Middle attacker) can employ crafted object names to manipulate the client output, e.g., by using ANSI control codes to hide additional files being transferred. This affects refresh_progress_meter() in progressmeter.c.

Read the notes from the security team

Status

Package Ubuntu Release Status
openssh 24.10 oracular
Fixed 1:7.9p1-6
24.04 LTS noble
Fixed 1:7.9p1-6
23.10 mantic
Fixed 1:7.9p1-6
23.04 lunar
Fixed 1:7.9p1-6
22.10 kinetic
Fixed 1:7.9p1-6
22.04 LTS jammy
Fixed 1:7.9p1-6
21.10 impish
Fixed 1:7.9p1-6
21.04 hirsute
Fixed 1:7.9p1-6
20.10 groovy
Fixed 1:7.9p1-6
20.04 LTS focal
Fixed 1:7.9p1-6
19.10 eoan
Fixed 1:7.9p1-6
19.04 disco
Fixed 1:7.9p1-6
18.10 cosmic
Fixed 1:7.7p1-4ubuntu0.2
18.04 LTS bionic
Fixed 1:7.6p1-4ubuntu0.2
16.04 LTS xenial
Fixed 1:7.2p2-4ubuntu2.7
14.04 LTS trusty
Fixed 1:6.6p1-2ubuntu2.12
openssh-ssh1 24.10 oracular
Needs evaluation
24.04 LTS noble
Needs evaluation
23.10 mantic Ignored end of life, was needs-triage
23.04 lunar Ignored end of life, was needs-triage
22.10 kinetic Ignored end of life, was needs-triage
22.04 LTS jammy
Needs evaluation
21.10 impish Ignored end of life
21.04 hirsute Ignored end of life
20.10 groovy Ignored end of life
20.04 LTS focal
Needs evaluation
19.10 eoan Ignored end of life
19.04 disco Ignored end of life
18.10 cosmic Ignored end of life
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Notes

seth-arnold

openssh-ssh1 is provided for compatibility with old devices that cannot be upgraded to modern protocols. Thus we may not provide security support for this package if doing so would prevent access to equipment.

mdeslaur

The recommended workaround for this issue is to switch to using sftp instead of scp. The updates in USN-3885-1 inverted two CVE numbers by accident.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
openssh

Severity score breakdown

Parameter Value
Base score 6.8 · Medium
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N