CVE-2023-46849

2023-11-1101:15:07

Alpine Linux Development Team

security.alpinelinux.org

openvpn

fragment option

denial of service

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

21.1%

JSON

Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.

OSVersionArchitecturePackageVersionFilename
Alpineedge-mainnoarchopenvpn< 2.6.7-r0UNKNOWN
Alpine3.18-mainnoarchopenvpn< 2.6.7-r0UNKNOWN
Alpine3.19-mainnoarchopenvpn< 2.6.7-r0UNKNOWN
Alpine3.20-mainnoarchopenvpn< 2.6.7-r0UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Alpine	edge-main	noarch	openvpn	< 2.6.7-r0	UNKNOWN
Alpine	3.18-main	noarch	openvpn	< 2.6.7-r0	UNKNOWN
Alpine	3.19-main	noarch	openvpn	< 2.6.7-r0	UNKNOWN
Alpine	3.20-main	noarch	openvpn	< 2.6.7-r0	UNKNOWN