PT-2017-10049 · Ntf+7 · Ntp+7

Matthew Van Gundy · Published 2016-12-08 · Updated 2024-06-15 · CVE-2016-9311

Positive Technologies (AI Summary)

CVSS v2.0

7.1

High

Base vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

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, resulting in a crash due to a NULL pointer dereference when the trap service is enabled. This can be achieved by sending specially crafted packets to the affected system.

Recommendations For versions prior to 4.2.8p9, update to version 4.2.8p9 or later to resolve the issue. As a temporary workaround, consider disabling the trap service until a patch is available.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2017-2335

CESA-2017_0252

CVE-2016-9311

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

Ibm Aix

Ntp

Red Hat

Suse

Ubuntu

References · 134

• https://ubuntu.com/security/notices/USN-3349-1 · Vendor Advisory
• http://nwtime.org/ntp428p9_release · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-2519 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-9311 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-7429 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6460 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-9311 · Security Note
• https://advisories.mageia.org/MGASA-2016-0414.html · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2017:0255-1 · Vendor Advisory
• 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/MGASA-2016-0414 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-9311 · Vendor Advisory