vulnerability
Arch Linux: Denial of service (CVE-2016-7427)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:A/AC:L/Au:N/C:N/I:N/A:P) | Jan 13, 2017 | Jul 11, 2025 | Nov 27, 2025 |
Severity
3
CVSS
(AV:A/AC:L/Au:N/C:N/I:N/A:P)
Published
Jan 13, 2017
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
The broadcast mode of NTP is expected to only be used in a trusted network. If the broadcast network is accessible to an attacker, a potentially exploitable denial of service vulnerability in ntpd's broadcast mode replay prevention functionality can be abused. An attacker with access to the NTP broadcast domain can periodically inject specially crafted broadcast mode NTP packets into the broadcast domain which, while being logged by ntpd, can cause ntpd to reject broadcast mode packets from legitimate NTP broadcast servers.
Solution
arch-linux-upgrade-latest
References
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