CVE-2023-33192 (GCVE-0-2023-33192)
Vulnerability from cvelistv5
Published
2023-05-27 03:53
Modified
2025-01-14 18:20
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-130 - Improper Handling of Length Parameter Inconsistency
Summary
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.
References
security-advisories@github.comhttps://github.com/pendulum-project/ntpd-rs/pull/752Patch
security-advisories@github.comhttps://github.com/pendulum-project/ntpd-rs/security/advisories/GHSA-qwhm-h7v3-mrjxMitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/pendulum-project/ntpd-rs/pull/752Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/pendulum-project/ntpd-rs/security/advisories/GHSA-qwhm-h7v3-mrjxMitigation, Vendor Advisory
Impacted products
Vendor Product Version
pendulum-project ntpd-rs Version: >= 0.3.0, < 0.3.3
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