CVE-2004-0657

ntp: wrong date/time offset return could lead to integer overflow

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Severity

Moderate

Red Hat Product Security

7.1

CVSS 3.1

Review impact separately from score.

Published · June 18, 2020

Updated · November 21, 2025

Description

Integer overflow in the NTP daemon (NTPd) before 4.0 causes the NTP server to return the wrong date/time offset when a client requests a date/time that is more than 34 years away from the server's time.

Statement

As per the CERT advisory, this issue has been resolved by ntp version 4. All Red Hat products ship ntp-4, therefore there are not affected by this flaw.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

CWE-190 · Integer Overflow or Wraparound