| Package | Affected versions | Patched versions |
|---|---|---|
| ntp | ≤ 4.2.8 |
An off-path attacker can cause a preemptible client association to be demobilized in NTP 4.2.8p4 and earlier and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if authentication is enabled.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free