7.5
HIGH
CVE-2015-5219
NTP Denial of Service Buffer Overflow
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.

INFO

Published Date :

July 21, 2017, 2:29 p.m.

Last Modified :

Feb. 13, 2023, 12:51 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2015-5219 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Suse linux_enterprise_server
2 Suse linux_enterprise_debuginfo
3 Suse openstack_cloud
4 Suse manager
5 Suse manager_proxy
1 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
4 Redhat enterprise_linux_hpc_node
1 Siemens tim_4r-ie_firmware
2 Siemens tim_4r-id_dnp3_firmware
1 Canonical ubuntu_linux
1 Fedoraproject fedora
1 Debian debian_linux
1 Opensuse leap
1 Oracle linux
1 Ntp ntp
1 Novell leap
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2015-5219.

URL Resource
http://aix.software.ibm.com/aix/efixes/security/ntp_advisory4.asc Third Party Advisory
http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhg Issue Tracking Patch Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html Broken Link
http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html Broken Link
http://rhn.redhat.com/errata/RHSA-2016-0780.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2583.html Third Party Advisory
http://www.debian.org/security/2015/dsa-3388 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/08/25/3 Mailing List Patch Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html Third Party Advisory
http://www.securityfocus.com/bid/76473 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2783-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1255118 Issue Tracking
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf Third Party Advisory
https://github.com/ntp-project/ntp/commit/5f295cd05c3c136d39f5b3e500a2d781bdbb59c8 Issue Tracking Patch Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11 Third Party Advisory US Government Resource
https://www-01.ibm.com/support/docview.wss?uid=isg3T1024157 Third Party Advisory
https://www-01.ibm.com/support/docview.wss?uid=swg21985122 Third Party Advisory
https://www-01.ibm.com/support/docview.wss?uid=swg21986956 Third Party Advisory
https://www-01.ibm.com/support/docview.wss?uid=swg21988706 Third Party Advisory
https://www-01.ibm.com/support/docview.wss?uid=swg21989542 Third Party Advisory
https://www.ibm.com/support/home/docdisplay?lndocid=migr-5099409 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-5219 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-5219 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 13, 2023

    Action Type Old Value New Value
    Changed Description It was discovered that the sntp utility could become unresponsive due to being caught in an infinite loop when processing a crafted NTP packet. 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.
    Removed CVSS V2 Red Hat, Inc. (AV:A/AC:L/Au:N/C:N/I:N/A:P)
    Removed Reference https://access.redhat.com/errata/RHSA-2016:0780 [No Types Assigned]
    Removed Reference https://access.redhat.com/errata/RHSA-2016:2583 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2015-5219 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed 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. It was discovered that the sntp utility could become unresponsive due to being caught in an infinite loop when processing a crafted NTP packet.
    Added CVSS V2 Red Hat, Inc. (AV:A/AC:L/Au:N/C:N/I:N/A:P)
    Added Reference https://access.redhat.com/errata/RHSA-2016:2583 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2016:0780 [No Types Assigned]
    Added Reference https://access.redhat.com/security/cve/CVE-2015-5219 [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 19, 2021

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html Broken Link
    Changed Reference Type http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html Third Party Advisory http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html Broken Link
    Changed Reference Type http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html No Types Assigned http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html Third Party Advisory
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf Third Party Advisory
    Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11 Third Party Advisory, US Government Resource
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:tim_4r-ie_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:tim_4r-ie:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:tim_4r-id_dnp3_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:tim_4r-id_dnp3:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 15, 2021

    Action Type Old Value New Value
    Added Reference https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 13, 2021

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf [No Types Assigned]
  • CPE Deprecation Remap by [email protected]

    Oct. 30, 2018

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:novell:leap:42.1:*:*:*:*:*:*:* OR *cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 18, 2018

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 27, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html No Types Assigned http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html Third Party Advisory
    Changed Reference Type http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhg No Types Assigned http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhg Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html Third Party Advisory
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2015/08/25/3 No Types Assigned http://www.openwall.com/lists/oss-security/2015/08/25/3 Mailing List, Patch, Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1255118 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1255118 Issue Tracking
    Changed Reference Type http://www.ubuntu.com/usn/USN-2783-1 No Types Assigned http://www.ubuntu.com/usn/USN-2783-1 Third Party Advisory
    Changed Reference Type https://www-01.ibm.com/support/docview.wss?uid=swg21988706 No Types Assigned https://www-01.ibm.com/support/docview.wss?uid=swg21988706 Third Party Advisory
    Changed Reference Type http://www.debian.org/security/2015/dsa-3388 No Types Assigned http://www.debian.org/security/2015/dsa-3388 Third Party Advisory
    Changed Reference Type https://www-01.ibm.com/support/docview.wss?uid=swg21989542 No Types Assigned https://www-01.ibm.com/support/docview.wss?uid=swg21989542 Third Party Advisory
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2016-2583.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2016-2583.html Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/76473 No Types Assigned http://www.securityfocus.com/bid/76473 Third Party Advisory, VDB Entry
    Changed Reference Type http://aix.software.ibm.com/aix/efixes/security/ntp_advisory4.asc No Types Assigned http://aix.software.ibm.com/aix/efixes/security/ntp_advisory4.asc Third Party Advisory
    Changed Reference Type https://www-01.ibm.com/support/docview.wss?uid=swg21986956 No Types Assigned https://www-01.ibm.com/support/docview.wss?uid=swg21986956 Third Party Advisory
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2016-0780.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2016-0780.html Third Party Advisory
    Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html Third Party Advisory
    Changed Reference Type https://www.ibm.com/support/home/docdisplay?lndocid=migr-5099409 No Types Assigned https://www.ibm.com/support/home/docdisplay?lndocid=migr-5099409 Third Party Advisory
    Changed Reference Type https://github.com/ntp-project/ntp/commit/5f295cd05c3c136d39f5b3e500a2d781bdbb59c8 No Types Assigned https://github.com/ntp-project/ntp/commit/5f295cd05c3c136d39f5b3e500a2d781bdbb59c8 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://www-01.ibm.com/support/docview.wss?uid=swg21985122 No Types Assigned https://www-01.ibm.com/support/docview.wss?uid=swg21985122 Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html Third Party Advisory
    Changed Reference Type https://www-01.ibm.com/support/docview.wss?uid=isg3T1024157 No Types Assigned https://www-01.ibm.com/support/docview.wss?uid=isg3T1024157 Third Party Advisory
    Added CWE CWE-704
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp2:*:*:*:*:*:* *cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp3:*:*:*:*:*:* *cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:ltss:*:*:* *cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:ltss:*:*:* *cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:ltss:*:*:* *cpe:2.3:o:suse:manager:2.1:*:*:*:*:*:*:* *cpe:2.3:o:suse:manager_proxy:2.1:*:*:*:*:*:*:* *cpe:2.3:o:suse:openstack_cloud:5:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:ntp:ntp:4.2.7:p355:*:*:*:*:*:* (and previous)
    Added CPE Configuration OR *cpe:2.3:o:novell:leap:42.1:*:*:*:*:*:*:* *cpe:2.3:o:novell:leap:42.2:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 22, 2017

    Action Type Old Value New Value
    Removed Reference http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhg [No Types Assigned]
    Added Reference http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhg [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-5219 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2015-5219 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.93 }} 0.34%

score

0.88956

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability