Explain CVE-2016-1550
An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92. An attacker can send a series of crafted messages to attempt to recover the message digest key.
Affected Products: NTP
References: [{'name': 'USN-3096-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-3096-1'}, {'name': 'DSA-3629', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.org/security/2016/dsa-3629'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html'}, {'name': 'RHSA-2016:1141', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'https://access.redhat.com/errata/RHSA-2016:1141'}, {'name': 'SUSE-SU-2016:1912', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html'}, {'name': 'VU#718152', 'tags': ['third-party-advisory', 'x_refsource_CERT-VN'], 'url': 'https://www.kb.cert.org/vuls/id/718152'}, {'name': 'RHSA-2016:1552', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://rhn.redhat.com/errata/RHSA-2016-1552.html'}, {'name': '1035705', 'tags': ['vdb-entry', 'x_refsource_SECTRACK'], 'url': 'http://www.securitytracker.com/id/1035705'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://security.netapp.com/advisory/ntap-20171004-0002/'}, {'tags': ['x_refsource_MISC'], 'url': 'http://www.talosintelligence.com/reports/TALOS-2016-0084/'}, {'name': '20160428 Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: April 2016', 'tags': ['vendor-advisory', 'x_refsource_CISCO'], 'url': 'http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpd'}, {'name': 'FreeBSD-SA-16:16', 'tags': ['vendor-advisory', 'x_refsource_FREEBSD'], 'url': 'https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc'}, {'name': '88261', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/88261'}, {'name': 'SUSE-SU-2016:2094', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html'}, {'name': 'openSUSE-SU-2016:1423', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html'}, {'name': 'GLSA-201607-15', 'tags': ['vendor-advisory', 'x_refsource_GENTOO'], 'url': 'https://security.gentoo.org/glsa/201607-15'}, {'name': 'openSUSE-SU-2016:1329', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html'}, {'tags': ['x_refsource_MISC'], 'url': 'http://packetstormsecurity.com/files/136864/Slackware-Security-Advisory-ntp-Updates.html'}, {'name': 'SUSE-SU-2016:1471', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html'}, {'name': 'FEDORA-2016-5b2eb0bf9c', 'tags': ['vendor-advisory', 'x_refsource_FEDORA'], 'url': 'http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184669.html'}, {'name': 'SUSE-SU-2016:1291', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html'}, {'name': 'DSA-3629', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'https://www.debian.org/security/2016/dsa-3629'}, {'tags': ['x_refsource_MISC'], 'url': 'https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0084'}, {'name': '20160429 [slackware-security] ntp (SSA:2016-120-01)', 'tags': ['mailing-list', 'x_refsource_BUGTRAQ'], 'url': 'http://www.securityfocus.com/archive/1/538233/100/0/threaded'}, {'name': 'SUSE-SU-2016:1568', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html'}, {'name': '20160429 [slackware-security] ntp (SSA:2016-120-01)', 'tags': ['mailing-list', 'x_refsource_BUGTRAQ'], 'url': 'http://www.securityfocus.com/archive/1/archive/1/538233/100/0/threaded'}, {'name': 'SUSE-SU-2016:1278', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html'}, {'name': 'FEDORA-2016-ed8c6c0426', 'tags': ['vendor-advisory', 'x_refsource_FEDORA'], 'url': 'http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183647.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf'}, {'tags': ['x_refsource_MISC'], 'url': 'https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf'}, {'tags': ['x_refsource_MISC'], 'url': 'https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11'}, {'tags': ['x_refsource_MISC'], 'url': 'https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19'}]
CVE State: PUBLISHED