ntpd-rs is an NTP implementation written in Rust. ntpd-rs does not validate the length of NTS cookies in received NTP packets to the server. An attacker can crash the server by sending a specially crafted NTP packet containing a cookie shorter than what the server expects. The server also crashes when it is not configured to handle NTS packets. The issue was caused by improper slice indexing. The indexing operations were replaced by safer alternatives that do not crash the ntpd-rs server process but instead properly handle the error condition. A patch was released in version 0.3.3.
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2023-05-27T03:53:34.506Z

Updated: 2024-08-02T15:39:35.717Z

Reserved: 2023-05-17T22:25:50.699Z

Link: CVE-2023-33192

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2023-05-27T04:15:25.673

Modified: 2023-06-02T18:10:32.987

Link: CVE-2023-33192

cve-icon Redhat

No data.