ALT-PU-2022-1576-1
Closed vulnerabilities
Published: 2021-04-22
BDU:2021-02221
Уязвимость функции отложенной аутентификации deferred_auth программного обеспечения OpenVPN, позволяющая нарушителю вынудить сервер вернуть сообщение PUSH_REPLY c данными о настройках VPN до отправки сообщения AUTH_FAILED
Severity: MEDIUM (5.3)
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References:
Published: 2021-04-26
Modified: 2024-11-21
Modified: 2024-11-21
CVE-2020-15078
OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.
Severity: HIGH (7.5)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References:
- https://community.openvpn.net/openvpn/wiki/CVE-2020-15078
- https://community.openvpn.net/openvpn/wiki/CVE-2020-15078
- https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements
- https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements
- [debian-lts-announce] 20220503 [SECURITY] [DLA 2992-1] openvpn security update
- [debian-lts-announce] 20220503 [SECURITY] [DLA 2992-1] openvpn security update
- FEDORA-2021-242ef81244
- FEDORA-2021-242ef81244
- FEDORA-2021-d6b9d8497b
- FEDORA-2021-d6b9d8497b
- FEDORA-2021-b805c26afa
- FEDORA-2021-b805c26afa
- GLSA-202105-25
- GLSA-202105-25
- https://usn.ubuntu.com/usn/usn-4933-1
- https://usn.ubuntu.com/usn/usn-4933-1