CVE-2016-1550
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
6.2 Medium
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.005 Low
EPSS
Percentile
75.9%
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.
References
lists.fedoraproject.org/pipermail/package-announce/2016-May/183647.html
lists.fedoraproject.org/pipermail/package-announce/2016-May/184669.html
lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html
lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html
lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html
lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html
lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html
lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
packetstormsecurity.com/files/136864/Slackware-Security-Advisory-ntp-Updates.html
rhn.redhat.com/errata/RHSA-2016-1552.html
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpd
www.debian.org/security/2016/dsa-3629
www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
www.securityfocus.com/archive/1/538233/100/0/threaded
www.securityfocus.com/archive/1/archive/1/538233/100/0/threaded
www.securityfocus.com/bid/88261
www.securitytracker.com/id/1035705
www.talosintelligence.com/reports/TALOS-2016-0084/
www.ubuntu.com/usn/USN-3096-1
access.redhat.com/errata/RHSA-2016:1141
cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc
security.gentoo.org/glsa/201607-15
security.netapp.com/advisory/ntap-20171004-0002/
us-cert.cisa.gov/ics/advisories/icsa-21-103-11
us-cert.cisa.gov/ics/advisories/icsa-21-159-11
www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19
www.debian.org/security/2016/dsa-3629
www.kb.cert.org/vuls/id/718152
www.talosintelligence.com/vulnerability_reports/TALOS-2016-0084
Social References
More
Related
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
6.2 Medium
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.005 Low
EPSS
Percentile
75.9%