Test ID:	1.3.6.1.4.1.25623.1.0.840321
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-612-6)
Summary:	The remote host is missing an update for the 'openssl-blacklist, openvpn' package(s) announced via the USN-612-6 advisory.
Description:	Summary: The remote host is missing an update for the 'openssl-blacklist, openvpn' package(s) announced via the USN-612-6 advisory. Vulnerability Insight: USN-612-3 addressed a weakness in OpenSSL certificate and keys generation in OpenVPN by adding checks for vulnerable certificates and keys to OpenVPN. A regression was introduced in OpenVPN when using TLS, multi-client/server mode, and specifying a user or group which caused OpenVPN to not start when using valid SSL certificates. It was also found that openssl-vulnkey from openssl-blacklist would fail when stderr was not available. This caused OpenVPN to fail to start when used with applications such as NetworkManager. This update fixes these problems. We apologize for the inconvenience. Original advisory details: 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 knowledge of the system. This particularly affects the use of encryption keys in OpenSSH, OpenVPN and SSL certificates. Affected Software/OS: 'openssl-blacklist, openvpn' package(s) on Ubuntu 7.04, Ubuntu 7.10, Ubuntu 8.04. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Copyright	Copyright (C) 2009 Greenbone AG

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