NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.
CVSS Details
- CVSS 3.0 Base Score: 3.7
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-ntpamazon-linux-ami-2-upgrade-ntp-debuginfoamazon-linux-ami-2-upgrade-ntp-docamazon-linux-ami-2-upgrade-ntp-perlamazon-linux-ami-2-upgrade-ntpdateamazon-linux-ami-2-upgrade-sntp | Apr 27, 2020 | Jan 13, 2017 | |
| Amazon_linux | — | amazon-linux-upgrade-ntp | Jan 5, 2017 | Jan 4, 2017 |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Jan 13, 2017 | |
| Centos_linux | — | centos-upgrade-ntpcentos-upgrade-ntp-debuginfocentos-upgrade-ntp-doccentos-upgrade-ntp-perlcentos-upgrade-ntpdatecentos-upgrade-sntp | Feb 7, 2017 | Jan 13, 2017 |
| Cisco Apic | cisco-apic-update-latest | May 11, 2026 | Nov 23, 2016 | |
| Cisco Ise | cisco-ise-upgrade-latest | Oct 21, 2025 | Nov 23, 2016 | |
| Debian | debian-upgrade-ntp | Jul 30, 2024 | Jan 13, 2017 | |
| Freebsd | freebsd-upgrade-package-ntpfreebsd-upgrade-package-ntp-devel | Nov 22, 2016 | Nov 22, 2016 | |
| Hpux | — | hpux-update-ntp-ntp-auxhpux-update-ntp-ntp-run | Aug 11, 2017 | Jan 13, 2017 |
| Huawei Euleros 2_0_sp1 | huawei-euleros-2_0_sp1-upgrade-ntphuawei-euleros-2_0_sp1-upgrade-ntpdate | Nov 30, 2017 | Jan 13, 2017 | |
| Huawei Euleros 2_0_sp2 | huawei-euleros-2_0_sp2-upgrade-ntphuawei-euleros-2_0_sp2-upgrade-ntpdate | Nov 30, 2017 | Jan 13, 2017 | |
| Ntp | ntp-upgrade-latest | Feb 23, 2023 | Jan 13, 2017 | |
| Oracle Solaris | oracle-solaris-11-3-upgrade-service-network-ntp-4-2-8-9-0-175-3-17-0-1-0 | May 29, 2017 | Jan 13, 2017 | |
| Oracle_linux | — | oracle-linux-upgrade-ntporacle-linux-upgrade-ntpdateoracle-linux-upgrade-ntp-docoracle-linux-upgrade-ntp-perloracle-linux-upgrade-sntp | Feb 7, 2017 | Nov 21, 2016 |
| Redhat_linux | no-fix-redhat-rpm-packageredhat-upgrade-ntpredhat-upgrade-ntp-debuginforedhat-upgrade-ntp-docredhat-upgrade-ntp-perlredhat-upgrade-ntpdateredhat-upgrade-sntp | Feb 8, 2017 | Jan 13, 2017 | |
| Suse | — | suse-upgrade-ntpsuse-upgrade-ntp-doc | Dec 20, 2016 | Dec 19, 2016 |
| Ubuntu | ubuntu-upgrade-ntp | Jul 6, 2017 | Jan 13, 2017 |
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