Test ID:	1.3.6.1.4.1.25623.1.0.871718
Category:	Red Hat Local Security Checks
Title:	RedHat Update for nss and nss-util RHSA-2016:2779-01
Summary:	The remote host is missing an update for the 'nss and nss-util'; package(s) announced via the referenced advisory.
Description:	Summary: The remote host is missing an update for the 'nss and nss-util' package(s) announced via the referenced advisory. Vulnerability Insight: Network Security Services (NSS) is a set of libraries designed to support the cross-platform development of security-enabled client and server applications. The nss-util packages provide utilities for use with the Network Security Services (NSS) libraries. The following packages have been upgraded to a newer upstream version: nss (3.12.3), nss-util (3.12.3). Security Fix(es): * Multiple buffer handling flaws were found in the way NSS handled cryptographic data from the network. A remote attacker could use these flaws to crash an application using NSS or, possibly, execute arbitrary code with the permission of the user running the application. (CVE-2016-2834) * A NULL pointer dereference flaw was found in the way NSS handled invalid Diffie-Hellman keys. A remote client could use this flaw to crash a TLS/SSL server using NSS. (CVE-2016-5285) * It was found that Diffie Hellman Client key exchange handling in NSS was vulnerable to small subgroup confinement attack. An attacker could use this flaw to recover private keys by confining the client DH key to small subgroup of the desired group. (CVE-2016-8635) Red Hat would like to thank the Mozilla project for reporting CVE-2016-2834. The CVE-2016-8635 issue was discovered by Hubert Kario (Red Hat). Upstream acknowledges Tyson Smith and Jed Davis as the original reporter of CVE-2016-2834. Affected Software/OS: nss and nss-util on Red Hat Enterprise Linux (v. 5 server), Red Hat Enterprise Linux Desktop (v. 6), Red Hat Enterprise Linux Server (v. 6), Red Hat Enterprise Linux Server (v. 7), Red Hat Enterprise Linux Workstation (v. 6) Solution: Please Install the Updated Packages. CVSS Score: 9.3 CVSS Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2016-2834 BugTraq ID: 91072 http://www.securityfocus.com/bid/91072 Debian Security Information: DSA-3688 (Google Search) http://www.debian.org/security/2016/dsa-3688 RedHat Security Advisories: RHSA-2016:2779 http://rhn.redhat.com/errata/RHSA-2016-2779.html http://www.securitytracker.com/id/1036057 SuSE Security Announcement: SUSE-SU-2016:1691 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00055.html SuSE Security Announcement: openSUSE-SU-2016:1552 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00014.html SuSE Security Announcement: openSUSE-SU-2016:1557 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.html http://www.ubuntu.com/usn/USN-2993-1 http://www.ubuntu.com/usn/USN-3029-1 Common Vulnerability Exposure (CVE) ID: CVE-2016-5285 http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00037.html http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00049.html http://www.securityfocus.com/bid/94349 http://www.ubuntu.com/usn/USN-3163-1 https://bto.bluecoat.com/security-advisory/sa137 https://security.gentoo.org/glsa/201701-46 Common Vulnerability Exposure (CVE) ID: CVE-2016-8635 BugTraq ID: 94346 http://www.securityfocus.com/bid/94346
Copyright	Copyright (C) 2016 Greenbone Networks GmbH

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