PT-2015-7587 · Ntf+6 · Ntp+8

Aanchal Malhotra + 3 · Published 2015-10-21 · Updated 2025-01-14 · CVE-2015-7704

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions NTP versions 4.x before 4.2.8p4 NTP versions 4.3.x before 4.3.77

Description The issue allows remote attackers to cause a denial of service via a number of crafted "KOD" messages.

Recommendations For NTP versions 4.x before 4.2.8p4, update to version 4.2.8p4 or later. For NTP versions 4.3.x before 4.3.77, update to version 4.3.77 or later.

Exploit

Fix

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

ALT-PU-2017-2335

CESA-2015_1930

CVE-2015-7704

DLA-335-1

DSA-3388-1

MGASA-2015-0413

OPENSUSE-SU-2016_1329-1

OPENSUSE-SU-2024:10181-1

RHSA-2015:1930

RHSA-2015:2520

RHSA-2015_1930

SUSE-SU-2015:2058-1

SUSE-SU-2016:1247-1

SUSE-SU-2016:1278-1

SUSE-SU-2016:1291-1

SUSE-SU-2016:1311-1

SUSE-SU-2016:1471-1

SUSE-SU-2016:1568-1

SUSE-SU-2016_1278-1

SUSE-SU-2016_1291-1

SUSE-SU-2016_1471-1

SUSE-SU-2016_1568-1

USN-2783-1

Affected Products

Alt Linux

Centos

Cisco Ios

Cisco Ios Xe

Cisco Nexus

Ntp

Red Hat

Suse

Ubuntu

References · 306

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/ntp/ntp_nak_to_the_future.rb · Exploit
• 🔥 https://github.com/opsxcq/exploit-CVE-2016-7434 · Exploit
• https://bdu.fstec.ru/vul/2017-02017 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2516 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5194 · Security Note
• https://security-tracker.debian.org/tracker/source-package/ntp · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4953 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7703 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2015-7704 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7702 · Security Note
• https://bdu.fstec.ru/vul/2017-02039 · Security Note
• https://ubuntu.com/security/CVE-2015-7855 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7705 · Security Note
• https://ubuntu.com/security/CVE-2015-7871 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7979 · Security Note