Test ID:	1.3.6.1.4.1.25623.1.1.1.2.2016.627
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DLA-627-1)
Summary:	The remote host is missing an update for the Debian 'pdns' package(s) announced via the DLA-627-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'pdns' package(s) announced via the DLA-627-1 advisory. Vulnerability Insight: Multiple vulnerabilities have been discovered in pdns, an authoritative DNS server. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2016-5426 / CVE-2016-5427 Florian Heinz and Martin Kluge reported that the PowerDNS Authoritative Server accepts queries with a qname's length larger than 255 bytes and does not properly handle dot inside labels. A remote, unauthenticated attacker can take advantage of these flaws to cause abnormal load on the PowerDNS backend by sending specially crafted DNS queries, potentially leading to a denial of service. CVE-2016-6172 It was reported that a malicious primary DNS server can crash a secondary PowerDNS server due to improper restriction of zone size limits. This update adds a feature to limit AXFR sizes in response to this flaw. For Debian 7 Wheezy, these problems have been fixed in version 3.1-4.1+deb7u2. We recommend that you upgrade your pdns packages. Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: [link moved to references] Affected Software/OS: 'pdns' package(s) on Debian 7. Solution: Please install the updated package(s). CVSS Score: 7.1 CVSS Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2016-5426 BugTraq ID: 92917 http://www.securityfocus.com/bid/92917 Debian Security Information: DSA-3664 (Google Search) http://www.debian.org/security/2016/dsa-3664 http://www.openwall.com/lists/oss-security/2016/09/09/3 http://www.securitytracker.com/id/1036761 Common Vulnerability Exposure (CVE) ID: CVE-2016-5427 Common Vulnerability Exposure (CVE) ID: CVE-2016-6172 1036242 http://www.securitytracker.com/id/1036242 91678 http://www.securityfocus.com/bid/91678 DSA-3664 [dns-operations] 20160704 DNS activities in Japan https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html [oss-security] 20160706 Malicious primary DNS servers can crash secondaries http://www.openwall.com/lists/oss-security/2016/07/06/3 https://doc.powerdns.com/md/changelog/#powerdns-authoritative-server-401 https://github.com/PowerDNS/pdns/issues/4128 https://github.com/PowerDNS/pdns/issues/4133 https://github.com/PowerDNS/pdns/pull/4134 https://github.com/sischkg/xfer-limit/blob/master/README.md openSUSE-SU-2016:2116 http://lists.opensuse.org/opensuse-updates/2016-08/msg00085.html
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