CVE-2015-5219 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

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.ibm.com/support/home/docdisplay?lndocid=migr-5099409 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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5