CVE-2021-44513

2021-12-0703:15:07

Debian Security Bug Tracker

security-tracker.debian.org

cve-2021-44513

tmate-ssh-server

local attacker

integrity compromise

session handling

unix

CVSS2

4.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:P/I:P/A:P

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

Percentile

5.1%

JSON

Insecure creation of temporary directories in tmate-ssh-server 2.3.0 allows a local attacker to compromise the integrity of session handling.

OSVersionArchitecturePackageVersionFilename
Debian11alltmate-ssh-server<= 2.3.0-49-g97d20249-1tmate-ssh-server_2.3.0-49-g97d20249-1_all.deb
Debian999alltmate-ssh-server< 2.3.0-68-gd7334ee4-1tmate-ssh-server_2.3.0-68-gd7334ee4-1_all.deb
Debian13alltmate-ssh-server< 2.3.0-68-gd7334ee4-1tmate-ssh-server_2.3.0-68-gd7334ee4-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	11	all	tmate-ssh-server	<= 2.3.0-49-g97d20249-1	tmate-ssh-server_2.3.0-49-g97d20249-1_all.deb
Debian	999	all	tmate-ssh-server	< 2.3.0-68-gd7334ee4-1	tmate-ssh-server_2.3.0-68-gd7334ee4-1_all.deb
Debian	13	all	tmate-ssh-server	< 2.3.0-68-gd7334ee4-1	tmate-ssh-server_2.3.0-68-gd7334ee4-1_all.deb