Test ID:	1.3.6.1.4.1.25623.1.0.120645
Category:	Amazon Linux Local Security Checks
Title:	Amazon Linux: Security Advisory (ALAS-2016-655)
Summary:	The remote host is missing an update for the 'nginx' package(s) announced via the ALAS-2016-655 advisory.
Description:	Summary: The remote host is missing an update for the 'nginx' package(s) announced via the ALAS-2016-655 advisory. Vulnerability Insight: It was discovered that nginx could perform an out of bound read and dereference an invalid pointer when resolving CNAME DNS records. An attacker able to manipulate DNS responses received by nginx could use this flaw to cause a worker process to crash if nginx enabled the resolver in its configuration. (CVE-2016-0742) A use-after-free flaw was found in the way nginx resolved certain CNAME DNS records. An attacker able to manipulate DNS responses received by nginx could use this flaw to cause a worker process to crash or, possibly, execute arbitrary code if nginx enabled the resolver in its configuration. (CVE-2016-0746) It was discovered that nginx did not limit recursion when resolving CNAME DNS records. An attacker able to manipulate DNS responses received by nginx could use this flaw to cause a worker process to use an excessive amount of resources if nginx enabled the resolver in its configuration. (CVE-2016-0747) Affected Software/OS: 'nginx' package(s) on Amazon Linux. Solution: Please install the updated package(s). CVSS Score: 7.5 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2016-0742 Debian Security Information: DSA-3473 (Google Search) http://www.debian.org/security/2016/dsa-3473 http://seclists.org/fulldisclosure/2021/Sep/36 https://security.gentoo.org/glsa/201606-06 http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html RedHat Security Advisories: RHSA-2016:1425 https://access.redhat.com/errata/RHSA-2016:1425 http://www.securitytracker.com/id/1034869 SuSE Security Announcement: openSUSE-SU-2016:0371 (Google Search) http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html http://www.ubuntu.com/usn/USN-2892-1 Common Vulnerability Exposure (CVE) ID: CVE-2016-0746 Common Vulnerability Exposure (CVE) ID: CVE-2016-0747
Copyright	Copyright (C) 2016 Greenbone AG

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