Test ID:	1.3.6.1.4.1.25623.1.0.703900
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DSA-3900-1)
Summary:	The remote host is missing an update for the Debian 'openvpn' package(s) announced via the DSA-3900-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'openvpn' package(s) announced via the DSA-3900-1 advisory. Vulnerability Insight: Several issues were discovered in openvpn, a virtual private network application. CVE-2017-7479 It was discovered that openvpn did not properly handle the rollover of packet identifiers. This would allow an authenticated remote attacker to cause a denial-of-service via application crash. CVE-2017-7508 Guido Vranken discovered that openvpn did not properly handle specific malformed IPv6 packets. This would allow a remote attacker to cause a denial-of-service via application crash. CVE-2017-7520 Guido Vranken discovered that openvpn did not properly handle clients connecting to an HTTP proxy with NTLMv2 authentication. This would allow a remote attacker to cause a denial-of-service via application crash, or potentially leak sensitive information like the user's proxy password. CVE-2017-7521 Guido Vranken discovered that openvpn did not properly handle some x509 extensions. This would allow a remote attacker to cause a denial-of-service via application crash. For the oldstable distribution (jessie), these problems have been fixed in version 2.3.4-5+deb8u2. For the stable distribution (stretch), these problems have been fixed in version 2.4.0-6+deb9u1. For the testing distribution (buster), these problems have been fixed in version 2.4.3-1. For the unstable distribution (sid), these problems have been fixed in version 2.4.3-1. We recommend that you upgrade your openvpn packages. Affected Software/OS: 'openvpn' package(s) on Debian 8, Debian 9. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2017-7508 BugTraq ID: 99230 http://www.securityfocus.com/bid/99230 Debian Security Information: DSA-3900 (Google Search) http://www.debian.org/security/2017/dsa-3900 http://www.securitytracker.com/id/1038768 Common Vulnerability Exposure (CVE) ID: CVE-2017-7520 Common Vulnerability Exposure (CVE) ID: CVE-2017-7521
Copyright	Copyright (C) 2017 Greenbone AG

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