Description
The ULOGTOD function in ntp.d in SNTP before 4.2.7p366 does not properly perform type conversions from a precision value to a double, which allows remote attackers to cause a denial of service (infinite loop) via a crafted NTP packet.
References (24)
Core 24
Core References
Third Party Advisory x_refsource_confirm
http://aix.software.ibm.com/aix/efixes/security/ntp_advisory4.asc
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/ntp-project/ntp/commit/5f295cd05c3c136d39f5b3e500a2d781bdbb59c8
Broken Link vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html
Third Party Advisory x_refsource_confirm
https://www.ibm.com/support/home/docdisplay?lndocid=migr-5099409
Third Party Advisory x_refsource_confirm
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2783-1
Third Party Advisory x_refsource_confirm
https://www-01.ibm.com/support/docview.wss?uid=swg21986956
Third Party Advisory x_refsource_confirm
https://www-01.ibm.com/support/docview.wss?uid=swg21988706
Third Party Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-2583.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhg
Third Party Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-0780.html
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2015/dsa-3388
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/08/25/3
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1255118
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/76473
Broken Link vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html
Third Party Advisory x_refsource_confirm
https://www-01.ibm.com/support/docview.wss?uid=swg21989542
Third Party Advisory x_refsource_confirm
https://www-01.ibm.com/support/docview.wss?uid=swg21985122
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html
Third Party Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
Third Party Advisory, US Government Resource x_refsource_confirm
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
Third Party Advisory x_refsource_confirm
https://www-01.ibm.com/support/docview.wss?uid=isg3T1024157
Scores
CVSS v3
7.5
EPSS
0.0224
EPSS Percentile
84.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-704
Status
published
Products (29)
canonical/ubuntu_linux
12.04
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
15.04
canonical/ubuntu_linux
15.10
debian/debian_linux
7.0
debian/debian_linux
8.0
fedoraproject/fedora
21
fedoraproject/fedora
22
fedoraproject/fedora
23
novell/leap
42.2
... and 19 more
Published
Jul 21, 2017
Tracked Since
Feb 18, 2026