CVE-2023-46849

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-46849
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://community.openvpn.net/openvpn/wiki/CVE-2023-46849 Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/ Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/
https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/ Vendor Advisory
https://www.debian.org/security/2023/dsa-5555 Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*
cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn_access_server:2.12.0:*:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn_access_server:2.12.1:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
History

29 Nov 2023, 03:15

Type Values Removed Values Added
References
  • () https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/ -

28 Nov 2023, 19:47

Type Values Removed Values Added
References () https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/ - () https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/ - Vendor Advisory
References () https://community.openvpn.net/openvpn/wiki/CVE-2023-46849 - () https://community.openvpn.net/openvpn/wiki/CVE-2023-46849 - Vendor Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/ - () https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/ - Mailing List
References () https://www.debian.org/security/2023/dsa-5555 - () https://www.debian.org/security/2023/dsa-5555 - Third Party Advisory
CWE CWE-369
First Time Debian
Openvpn openvpn Access Server
Openvpn
Openvpn openvpn
Fedoraproject fedora
Debian debian Linux
Fedoraproject
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
CPE cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn_access_server:2.12.1:*:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
cpe:2.3:a:openvpn:openvpn_access_server:2.12.0:*:*:*:*:*:*:*

23 Nov 2023, 03:15

Type Values Removed Values Added
References
  • () https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/ -

16 Nov 2023, 02:15

Type Values Removed Values Added
References
  • () https://www.debian.org/security/2023/dsa-5555 -

11 Nov 2023, 01:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-11-11 01:15

Updated : 2023-12-10 15:26

NVD link : CVE-2023-46849

Mitre link : CVE-2023-46849

CVE.ORG link : CVE-2023-46849

JSON object : View

Products Affected

debian

  • debian_linux

openvpn

  • openvpn
  • openvpn_access_server

fedoraproject

  • fedora
CWE
CWE-369

Divide By Zero