2644 matches found
Low: openvpn
Issue Overview: The openvpndecrypt function in crypto.c in OpenVPN 2.3.0 and earlier, when running in UDP mode, allows remote attackers to obtain sensitive information via a timing attack involving an HMAC comparison function that does not run in constant time and a padding oracle attack on the C...
OpenVPN cryptography weakness
It's possible to inject and decript ciphertext in UDP mode...
[ MDVSA-2013:167 ] openvpn
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Mandriva Linux Security Advisory MDVSA-2013:167 http://www.mandriva.com/en/support/security/ Package : openvpn Date : May 27, 2013 Affected: Business Server 1.0, Enterprise Server 5.0 Problem Description: Updated openvpn package fixes security...
Default Password (openvpnas) for 'root' Account
The account 'root' on the remote host has the password 'openvpnas'. An attacker may leverage this issue to gain administrative access to the affected system. Note that OpenVPN Access Server virtual appliances are known to use these credentials to provide complete, administrative access to the...
Mandriva Linux Security Advisory : openvpn (MDVSA-2013:167)
Updated openvpn package fixes security vulnerability : OpenVPN 2.3.0 and earlier running in UDP mode are subject to chosen ciphertext injection due to a non-constant-time HMAC comparison function. Plaintext recovery may be possible using a padding oracle attack on the CBC mode cipher implementati...
Fedora Update for openvpn FEDORA-2013-7531
The remote host is missing an update for the SPDX-FileCopyrightText: 2013 Greenbone AG 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-only ifdescription...
Fedora Update for openvpn FEDORA-2013-7531
Check for the Version of openvpn OpenVAS Vulnerability Test Fedora Update for openvpn FEDORA-2013-7531 Authors: System Generated Check Copyright: Copyright c 2013 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the...
Fedora Update for openvpn FEDORA-2013-7552
Check for the Version of openvpn OpenVAS Vulnerability Test Fedora Update for openvpn FEDORA-2013-7552 Authors: System Generated Check Copyright: Copyright c 2013 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the...
Fedora Update for openvpn FEDORA-2013-7552
The remote host is missing an update for the SPDX-FileCopyrightText: 2013 Greenbone AG 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-only ifdescription...
[SECURITY] Fedora 18 Update: openvpn-2.3.1-2.fc18
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 Oberhumer's LZO library for...
[SECURITY] Fedora 17 Update: openvpn-2.3.1-2.fc17
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 Oberhumer's LZO library for...
Fedora 18 : openvpn-2.3.1-2.fc18 (2013-7531)
Fix for SSL vulnerability. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. %NASLMINLEVEL 70300 C Tenab...
Fedora 17 : openvpn-2.3.1-2.fc17 (2013-7552)
Fix for SSL vulnerability. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. %NASLMINLEVEL 70300 C Tenab...
FreeBSD : OpenVPN -- potential side-channel/timing attack when comparing HMACs (92f30415-9935-11e2-ad4c-080027ef73ec)
The OpenVPN project reports : OpenVPN 2.3.0 and earlier running in UDP mode are subject to chosen ciphertext injection due to a non-constant-time HMAC comparison function. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted fr...
OpenVPN -- potential side-channel/timing attack when comparing HMACs
The OpenVPN project reports: OpenVPN 2.3.0 and earlier running in UDP mode are subject to chosen ciphertext injection due to a non-constant-time HMAC comparison function...
Ubuntu 7.04 / 7.10 / 8.04 LTS : openssl vulnerability (USN-612-1)
A weakness has been discovered in the random number generator used by OpenSSL on Debian and Ubuntu systems. As a result of this weakness, certain encryption keys are much more common than they should be, such that an attacker could guess the key through a brute-force attack given minimal knowledg...
Cross site scripting
Multiple cross-site scripting XSS vulnerabilities in Endian Firewall 2.4 allow remote attackers to inject arbitrary web script or HTML via the 1 createrule parameter to dnat.cgi, 2 addrule parameter to dansguardian.cgi, or 3 PATHINFO to openvpnusers.cgi...
CVE-2012-3486
Tunnelblick 3.3beta20 and earlier allows local users to gain privileges via an OpenVPN configuration file that specifies execution of a script upon occurrence of an OpenVPN event...
Design/Logic Flaw
Tunnelblick 3.3beta20 and earlier allows local users to gain privileges via an OpenVPN configuration file that specifies execution of a script upon occurrence of an OpenVPN event...
