Fedora: Security Advisory for openvpn (FEDORA-2020-c1cb4ebcd9)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

[SECURITY] Fedora 32 Update: openvpn-2.4.9-1.fc32

OpenVPN is a robust and highly flexible tunneling application that uses all of the encryption, authentication, and certification features of the OpenSSL library to securely tunnel IP networks over a single UDP or TCP port. It can use the Marcus Franz Xaver Johannes Oberhumers LZO library for...

CVE-2020-11810

An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 PDATAV2 packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be...

ALPINE-CVE-2020-11810

An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 PDATAV2 packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be...

CVE-2020-11810

An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 PDATAV2 packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be...

DEBIAN-CVE-2020-11810

An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 PDATAV2 packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be...

UBUNTU-CVE-2020-11810

An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 PDATAV2 packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be...

CVE-2020-11810

An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 PDATAV2 packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be...

Code injection

An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 PDATAV2 packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be...

CVE-2020-11810

OpenVPN 2.4.x prior to 2.4.9 is affected by CVE-2020-11810. An attacker can inject a P_DATA_V2 data channel packet using a victim’s peer-id, potentially dropping the victim’s connection if the packet arrives before data channel crypto parameters are initialized. The attack relies on a small timin...

CVE-2020-11810

An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 PDATAV2 packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be...

CVE-2020-11810

An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 PDATAV2 packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be...

CVE-2020-11810

An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 PDATAV2 packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be...

CVE-2020-11810

An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 PDATAV2 packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be...

[SECURITY] Fedora 31 Update: openvpn-2.4.9-1.fc31

OpenVPN is a robust and highly flexible tunneling application that uses all of the encryption, authentication, and certification features of the OpenSSL library to securely tunnel IP networks over a single UDP or TCP port. It can use the Marcus Franz Xaver Johannes Oberhumers LZO library for...

OpenVPN Input Validation DoS

The vulnerability of the OpenVPN software exists due to insufficient validation of input data. Exploiting this vulnerability allows a malicious actor to redirect a client session to a new IP address and cause a service failure...

CVE-2020-11810: Concurrent Execution using Shared Resource with Improper Synchronization

An issue was discovered in OpenVPN 2.4.x before 2.4.9. An attacker can inject a data channel v2 PDATAV2 packet using a victim's peer-id. Normally such packets are dropped, but if this packet arrives before the data channel crypto parameters have been initialized, the victim's connection will be...

Fedora 31 : openvpn (2020-e56f2deb30)

Update to latest upstream OpenVPN 2.4.9 release. It contains a security fix for CVE-2020-11810. This security issue is quite hard to abuse, requiring a fairly precise timing attack combined with guessing a just assigned peer-id reference. If successful, only a single client just initiating a new...

[slackware-security] openvpn

New openvpn packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix a security issue. Here are the details from the Slackware 14.2 ChangeLog: patches/packages/openvpn-2.4.9-i586-1slack14.2.txz: Upgraded. This update fixes a security issue: Fix illegal client float. Thanks to Le...

FreeBSD : openvpn -- illegal client float can break VPN session for other users (8604121c-7fc2-11ea-bcac-7781e90b0c8f)

Lev Stipakov and Gert Doering report : There is a time frame between allocating peer-id and initializing data channel key which is performed on receiving push request or on async push-reply in which the existing peer-id float checks do not work right. If a 'rogue' data channel packet arrives duri...