Vulnerability CVE-2015-5219
Published: 2017-07-21

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.

Type:

CWE-704

 (Incorrect Type Conversion or Cast)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
SUSE -> Manager 
SUSE -> Openstack cloud 
SUSE -> Manager proxy 
SUSE -> Linux enterprise server 
SUSE -> Linux enterprise debuginfo 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux hpc node 
Redhat -> Enterprise linux workstation 
Opensuse -> LEAP 
NTP -> NTP 
Novell -> LEAP 
Fedoraproject -> Fedora 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://aix.software.ibm.com/aix/efixes/security/ntp_advisory4.asc
http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhg
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html
http://rhn.redhat.com/errata/RHSA-2016-0780.html
http://rhn.redhat.com/errata/RHSA-2016-2583.html
http://www.debian.org/security/2015/dsa-3388
http://www.openwall.com/lists/oss-security/2015/08/25/3
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securityfocus.com/bid/76473
http://www.ubuntu.com/usn/USN-2783-1
https://bugzilla.redhat.com/show_bug.cgi?id=1255118
https://github.com/ntp-project/ntp/commit/5f295cd05c3c136d39f5b3e500a2d781bdbb59c8
https://www-01.ibm.com/support/docview.wss?uid=isg3T1024157
https://www-01.ibm.com/support/docview.wss?uid=swg21985122
https://www-01.ibm.com/support/docview.wss?uid=swg21986956
https://www-01.ibm.com/support/docview.wss?uid=swg21988706
https://www-01.ibm.com/support/docview.wss?uid=swg21989542
https://www.ibm.com/support/home/docdisplay?lndocid=migr-5099409
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