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CVE-2016-1550

Date: January 6, 2017

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.

Severity Score

5.3

Related Resources (39)

Url: http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html

Url: http://www.securityfocus.com/bid/88261

Url: http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html

Url: http://www.debian.org/security/2016/dsa-3629

Url: https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf

Url: https://security-tracker.debian.org/tracker/CVE-2016-1550

Url: http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184669.html

Url: https://www.debian.org/security/2016/dsa-3629

Url: http://www.securityfocus.com/archive/1/538233/100/0/threaded

Url: http://www.talosintelligence.com/reports/TALOS-2016-0084/

Url: https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc

Url: https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11

Url: http://www.securitytracker.com/id/1035705

Url: http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html

Url: http://www.securityfocus.com/archive/1/archive/1/538233/100/0/threaded

Url: https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf

Url: http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-1550

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

Url: https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19

Url: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpd

Url: https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0084

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-1550

Url: https://security.netapp.com/advisory/ntap-20171004-0002/

Url: http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html

Url: https://access.redhat.com/errata/RHSA-2016:1141

Url: http://rhn.redhat.com/errata/RHSA-2016-1552.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183647.html

Url: http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html

Url: https://security.gentoo.org/glsa/201607-15

Url: https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11

Url: http://www.ubuntu.com/usn/USN-3096-1

Url: https://www.kb.cert.org/vuls/id/718152

Url: https://access.redhat.com/security/cve/CVE-2016-1550

Url: http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html

Url: http://packetstormsecurity.com/files/136864/Slackware-Security-Advisory-ntp-Updates.html

Url: http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html

Url: https://www.mend.io/vulnerability-database/CVE-2016-1550

Severity Score

5.3

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

CVSS v3.1

Base Score:	5.3
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	LOW
Integrity (I):	NONE
Availability (A):	NONE

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	NONE
Additional information:

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CVE-2016-1550

Date: January 6, 2017

Severity Score

Related Resources (39)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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