ID de Prueba:	1.3.6.1.4.1.25623.1.1.10.2016.0324
Categoría:	Mageia Linux Local Security Checks
Título:	Mageia: Security Advisory (MGASA-2016-0324)
Resumen:	The remote host is missing an update for the 'pdns' package(s) announced via the MGASA-2016-0324 advisory.
Descripción:	Summary: The remote host is missing an update for the 'pdns' package(s) announced via the MGASA-2016-0324 advisory. Vulnerability Insight: PowerDNS Authoritative Server accepts queries with a qname's length larger than 255 bytes (CVE-2016-5426). PowerDNS Authoritative Server does not properly handle dot inside labels (CVE-2016-5427). These issues allow a remote, unauthenticated attacker to cause an abnormal load on the PowerDNS backend by sending crafted DNS queries, which might result in a partial denial of service if the backend becomes overloaded. It was found that PowerDNS does not implement reasonable restrictions for zone sizes. This allows an explicitly configured primary DNS server for a zone to crash a secondary DNS server, affecting service of other zones hosted on the same secondary server (CVE-2016-6172). Affected Software/OS: 'pdns' package(s) on Mageia 5. 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
Referencia Cruzada:	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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