Vulnerabilities > CVE-2023-46849 - Divide By Zero vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://community.openvpn.net/openvpn/wiki/CVE-2023-46849
- https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/
- https://www.debian.org/security/2023/dsa-5555
- https://lists.fedoraproject.org/archives/list/[email protected]/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/