BSA-2017-379

Security Advisory ID : BSA-2017-379 Component : OpenVPN Revision : 1.0: Interim OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker. Affected Products Brocade is investigating its product...

OpenVPN Denial of Service Vulnerability (CNVD-2017-14887)

OpenVPN is a software package from the American company OpenVPN for creating encrypted tunnels for Virtual Private Networks VPNs, which uses the OpenSSL library to encrypt data and control information, and allows created VPNs to be authenticated using public keys, electronic certificates, or...

UBUNTU-CVE-2017-7520

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker...

EUVD-2017-16499

OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2...

The vulnerability of the Gentoo Linux operating system, which allows a malicious intruder to compromise the accessibility of protected information

The vulnerability of the openvpn package up to version 2.3.6 in the Gentoo Linux operating system can lead to a violation of the accessibility of protected information. This vulnerability can be exploited remotely by a malicious individual who has completed the authentication process...

CVE-2014-8104

OpenVPN 2.x before 2.0.11, 2.1.x, 2.2.x before 2.2.3, and 2.3.x before 2.3.6 allows remote authenticated users to cause a denial of service server crash via a small control channel packet...

Ubuntu 14.04 LTS : OpenVPN vulnerability (USN-2430-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-2430-1 advisory. Dragana Damjanovic discovered that OpenVPN incorrectly handled certain control channel packets. An authenticated attacker could use this issue to cause an OpenVPN...

CVE-2013-2061

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 CBC mode cipher...

CVE-2013-2061

OpenVPN 2.3.0 and earlier is affected in UDP mode due to two issues in crypto.c: (1) openvpn_decrypt uses an HMAC comparison that does not run in constant time, enabling timing-based information disclosure, and (2) a padding oracle risk in the CBC mode cipher. Exploitation could allow an unauthen...

Ubuntu Update for openvpn vulnerability USN-612-3

Ubuntu Update for Linux kernel vulnerabilities USN-612-3 OpenVAS Vulnerability Test $Id: gbubuntuUSN6123.nasl 7969 2017-12-01 09:23:16Z santu $ Ubuntu Update for openvpn vulnerability USN-612-3 Authors: System Generated Check Copyright: Copyright c 2009 Greenbone Networks GmbH,...

CVE-2008-3459

Unspecified vulnerability in OpenVPN 2.1-beta14 through 2.1-rc8, when running on non-Windows systems, allows remote servers to execute arbitrary commands via crafted 1 lladdr and 2 iproute configuration directives, probably related to shell metacharacters...

CVE-2006-2229

OpenVPN 2.0.7 and earlier, when configured to use the --management option with an IP that is not 127.0.0.1, uses a cleartext password for TCP sessions to the management interface, which might allow remote attackers to view sensitive information or cause a denial of service...

CVE-2005-3409

OpenVPN 2.x before 2.0.4, when running in TCP mode, allows remote attackers to cause a denial of service segmentation fault by forcing the accept function call to return an error status, which leads to a null dereference in an exception handler...

CVE-2005-3393

Format string vulnerability in the foreignoption function in options.c for OpenVPN 2.0.x allows remote clients to execute arbitrary code via format string specifiers in a push of the dhcp-option command option...

CVE-2005-2532

OpenVPN before 2.0.1 does not properly flush the OpenSSL error queue when a packet can not be decrypted by the server, which allows remote authenticated attackers to cause a denial of service client disconnection via a large number of packets that can not be decrypted...

CVE-2005-2531

OpenVPN before 2.0.1, when running with "verb 0" and without TLS authentication, does not properly flush the OpenSSL error queue when a client fails certificate authentication to the server and causes the error to be processed by the wrong client, which allows remote attackers to cause a denial o...

CVE-2005-2534

Race condition in OpenVPN before 2.0.1, when --duplicate-cn is not enabled, allows remote attackers to cause a denial of service server crash via simultaneous TCP connections from multiple clients that use the same client certificate...