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ubuntucveUbuntu.comUB:CVE-2019-6109
HistoryJan 14, 2019 - 12:00 a.m.

CVE-2019-6109

2019-01-1400:00:00
ubuntu.com
ubuntu.com
18

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

6.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

59.9%

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.

Bugs

Notes

Author Note
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.
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4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

6.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

59.9%