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ubuntucveUbuntu.comUB:CVE-2023-46445
HistoryNov 14, 2023 - 12:00 a.m.

CVE-2023-46445

2023-11-1400:00:00
ubuntu.com
ubuntu.com
22
asyncssh
extension info
control
vulnerability
man-in-the-middle
rogue extension negotiation
rfc 8308
unix

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

32.2%

An issue in AsyncSSH before 2.14.1 allows attackers to control the
extension info message (RFC 8308) via a man-in-the-middle attack, aka a
“Rogue Extension Negotiation.”

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

5.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

32.2%