FreeBSD : tailscale -- security vulnerability in Tailscale SSH (1b15a554-c981-11ed-bb39-901b0e9408dc)

high Nessus Plugin ID 173329

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Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 1b15a554-c981-11ed-bb39-901b0e9408dc advisory.

- Tailscale team reports: A vulnerability identified in the implementation of Tailscale SSH in FreeBSD allowed commands to be run with a higher privilege group ID than that specified by Tailscale SSH access rules. (CVE-2023-28436)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://tailscale.com/security-bulletins/#ts-2023-003

http://www.nessus.org/u?562f4ce7

Plugin Details

Severity: High

ID: 173329

File Name: freebsd_pkg_1b15a554c98111edbb39901b0e9408dc.nasl

Version: 1.1

Type: local

Published: 3/23/2023

Updated: 4/3/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.7

Temporal Score: 5.7

Vector: CVSS2#AV:A/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2023-28436

CVSS v3

Risk Factor: High

Base Score: 8

Temporal Score: 7

Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:tailscale, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 3/23/2023

Vulnerability Publication Date: 3/23/2023

Reference Information

CVE: CVE-2023-28436