CVE-2023-46445

2023-11-1403:15:09

Debian Security Bug Tracker

security-tracker.debian.org

cve-2023-46445

asyncssh

extension control

man-in-the-middle

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%

JSON

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.”

OSVersionArchitecturePackageVersionFilename
Debian12allpython-asyncssh<= 2.10.1-2python-asyncssh_2.10.1-2_all.deb
Debian11allpython-asyncssh<= 2.5.0-0.1python-asyncssh_2.5.0-0.1_all.deb
Debian999allpython-asyncssh<= 2.10.1-2python-asyncssh_2.10.1-2_all.deb
Debian13allpython-asyncssh<= 2.10.1-2python-asyncssh_2.10.1-2_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	python-asyncssh	<= 2.10.1-2	python-asyncssh_2.10.1-2_all.deb
Debian	11	all	python-asyncssh	<= 2.5.0-0.1	python-asyncssh_2.5.0-0.1_all.deb
Debian	999	all	python-asyncssh	<= 2.10.1-2	python-asyncssh_2.10.1-2_all.deb
Debian	13	all	python-asyncssh	<= 2.10.1-2	python-asyncssh_2.10.1-2_all.deb