PT-2017-9185 · Ntt+6 · Ntp+6

Miroslav Lichvar · Published 2016-12-08 · Updated 2024-06-15 · CVE-2016-7426

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 prior to 4.2.8p9

Description The issue allows remote attackers to cause a denial of service by sending responses with a spoofed source address, preventing responses from the configured sources when rate limiting for all associations is enabled.

Recommendations For versions prior to 4.2.8p9, update to version 4.2.8p9 or later to resolve the issue.

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

ALT-PU-2017-2335

CESA-2017_0252

CVE-2016-7426

FREEBSD-SA-16_39

MGASA-2016-0414

OPENSUSE-SU-2024:10181-1

RHSA-2017:0252

RHSA-2017_0252

SUSE-SU-2016:3193-1

SUSE-SU-2016:3195-1

SUSE-SU-2016:3196-1

SUSE-SU-2017:0255-1

USN-3349-1

USN-3707-2

Affected Products

Alt Linux

Centos

Freebsd

Ntp

Red Hat

Suse

Ubuntu

References · 131

• https://ubuntu.com/security/notices/USN-3349-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-2519 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-7429 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6460 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2016-0414.html · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2017:0255-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-7426 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2016-7426 · Security Note
• https://ubuntu.com/security/CVE-2017-6458 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-7426 · Vendor Advisory
• https://security.freebsd.org/advisories/FreeBSD-SA-16:39.ntp.asc · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6464 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-7426 · Vendor Advisory
• http://support.ntp.org/bin/view/Main/NtpBug3071 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2016-0414 · Vendor Advisory