Executive Summary

Informations
Name CVE-2015-7871 First vendor Publication 2017-08-07
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to bypass authentication.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7871

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-287 Improper Authentication

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Application 1
Application 882
Os 3
Os 1
Os 1

Snort® IPS/IDS

Date Description
2016-03-14 NTP crypto-NAK packet flood attempt
RuleID : 36536 - Revision : 5 - Type : SERVER-OTHER

Nessus® Vulnerability Scanner

Date Description
2016-08-29 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2016-1912-1.nasl - Type : ACT_GATHER_INFO
2016-07-21 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201607-15.nasl - Type : ACT_GATHER_INFO
2016-06-01 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2016-649.nasl - Type : ACT_GATHER_INFO
2016-05-19 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2016-1311-1.nasl - Type : ACT_GATHER_INFO
2016-05-09 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2016-1247-1.nasl - Type : ACT_GATHER_INFO
2016-04-07 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201604-03.nasl - Type : ACT_GATHER_INFO
2016-03-04 Name : The remote Fedora host is missing a security update.
File : fedora_2016-34bc10a2c8.nasl - Type : ACT_GATHER_INFO
2016-03-04 Name : The remote Fedora host is missing a security update.
File : fedora_2015-f5f5ec7b6b.nasl - Type : ACT_GATHER_INFO
2016-03-04 Name : The remote Fedora host is missing a security update.
File : fedora_2015-77bfbc1bcd.nasl - Type : ACT_GATHER_INFO
2016-01-28 Name : The remote device is missing a vendor-supplied security patch.
File : f5_bigip_SOL17518.nasl - Type : ACT_GATHER_INFO
2015-11-23 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2015-2058-1.nasl - Type : ACT_GATHER_INFO
2015-11-20 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2015-767.nasl - Type : ACT_GATHER_INFO
2015-11-02 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-3388.nasl - Type : ACT_GATHER_INFO
2015-10-30 Name : The remote Slackware host is missing a security update.
File : Slackware_SSA_2015-302-03.nasl - Type : ACT_GATHER_INFO
2015-10-29 Name : The remote Debian host is missing a security update.
File : debian_DLA-335.nasl - Type : ACT_GATHER_INFO
2015-10-29 Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2015-607.nasl - Type : ACT_GATHER_INFO
2015-10-28 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-2783-1.nasl - Type : ACT_GATHER_INFO
2015-10-28 Name : The remote NTP server is affected by multiple vulnerabilities.
File : ntp_4_2_8p4.nasl - Type : ACT_GATHER_INFO
2015-10-22 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_c4a18a1277fc11e5a687206a8a720317.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

http://support.ntp.org/bin/view/Main/NtpBug2941
http://www.debian.org/security/2015/dsa-3388
http://www.securityfocus.com/bid/77287
http://www.securitytracker.com/id/1033951
https://bugzilla.redhat.com/show_bug.cgi?id=1274265
https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_n...
https://security.gentoo.org/glsa/201604-03
https://security.gentoo.org/glsa/201607-15
https://security.netapp.com/advisory/ntap-20171004-0001/
Source Url

Alert History

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Date Informations
2024-11-28 12:50:44
  • Multiple Updates
2023-11-02 01:30:50
  • Multiple Updates
2023-04-21 01:26:01
  • Multiple Updates
2021-05-04 12:44:19
  • Multiple Updates
2021-04-22 00:22:51
  • Multiple Updates
2021-04-13 17:22:50
  • Multiple Updates
2020-07-01 01:12:46
  • Multiple Updates
2020-06-18 21:22:56
  • Multiple Updates
2020-05-29 09:22:42
  • Multiple Updates
2020-05-28 21:23:03
  • Multiple Updates
2020-05-23 13:17:08
  • Multiple Updates
2020-05-23 00:47:19
  • Multiple Updates
2017-11-10 09:23:00
  • Multiple Updates
2017-11-04 09:23:41
  • Multiple Updates
2017-09-15 09:23:14
  • Multiple Updates
2017-08-15 21:23:38
  • Multiple Updates
2017-08-09 09:23:33
  • Multiple Updates
2017-08-08 05:21:48
  • First insertion