CVE-2023-46849
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| OpenVPN | OpenVPN 2 (Community) | 2.6.0 <= 2.6.6 | affected |
| OpenVPN | Access Server | 2.11.0 <= 2.11.3 | affected |
| OpenVPN | Access Server | 2.12.0 <= 2.12.1 | affected |
Weaknesses
- CWE-369: CWE-369 Divide By Zero
ADP Enrichment
CVE Program Container
Additional 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/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
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/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/
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