CVE-2015-5194
NTP Denial of Service Remote Crash
Description
The log_config_command function in ntp_parser.y in ntpd in NTP before 4.2.7p42 allows remote attackers to cause a denial of service (ntpd crash) via crafted logconfig commands.
INFO
Published Date :
July 21, 2017, 2:29 p.m.
Last Modified :
Feb. 13, 2023, 12:51 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2015-5194
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.
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-2015-5194
.
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-2015-5194
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-5194
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 found that ntpd could crash due to an uninitialized variable when processing malformed logconfig configuration commands. The log_config_command function in ntp_parser.y in ntpd in NTP before 4.2.7p42 allows remote attackers to cause a denial of service (ntpd crash) via crafted logconfig commands. Removed CVSS V2 Red Hat, Inc. (AV:N/AC:L/Au:S/C:N/I:P/A:N) 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-2015-5194 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed Description The log_config_command function in ntp_parser.y in ntpd in NTP before 4.2.7p42 allows remote attackers to cause a denial of service (ntpd crash) via crafted logconfig commands. It was found that ntpd could crash due to an uninitialized variable when processing malformed logconfig configuration commands. Added CVSS V2 Red Hat, Inc. (AV:N/AC:L/Au:S/C:N/I:P/A:N) 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-2015-5194 [No Types Assigned] -
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://www.securityfocus.com/bid/76475 No Types Assigned http://www.securityfocus.com/bid/76475 Third Party Advisory, VDB Entry Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html Third Party Advisory Changed Reference Type https://github.com/ntp-project/ntp/commit/553f2fa65865c31c5e3c48812cfd46176cffdd27 No Types Assigned https://github.com/ntp-project/ntp/commit/553f2fa65865c31c5e3c48812cfd46176cffdd27 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://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 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://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=4c4fc141LwvcoGp-lLGhkAFp3ZvtrA No Types Assigned http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=4c4fc141LwvcoGp-lLGhkAFp3ZvtrA Issue Tracking, Patch, Vendor 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 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 http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html 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 https://bugzilla.redhat.com/show_bug.cgi?id=1254542 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1254542 Issue Tracking, Patch 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-20 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* 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:p40:*:*:*:*:*:* (and previous) -
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=4c4fc141LwvcoGp-lLGhkAFp3ZvtrA [No Types Assigned] Added Reference http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=4c4fc141LwvcoGp-lLGhkAFp3ZvtrA [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-5194
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-2015-5194
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
7.62 }} 2.09%
score
0.94315
percentile