ntp: wrong date/time offset return could lead to integer overflow
Published Jul 13, 2004
7.1
HIGHCVSS 3.1
EPSS 2.85%
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.
Affected products
No data.
Configuration 2
- 4.0f
- 4.0g
- 5.1b
- 5.1b
- 5.1b
- 51.1a
No data.
Red Hat Enterprise Linux 5
ntp
Not affected
Red Hat Enterprise Linux 6
ntp
Not affected
Red Hat Enterprise Linux 7
ntp
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | ntp | Not affected | n/a |
| Red Hat Enterprise Linux 6 | ntp | Not affected | n/a |
| Red Hat Enterprise Linux 7 | ntp | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat 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.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.85% (0.02854) | 86.24th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.85% (0.02854) | 84.85th | v5 (v2026.06.15) |
| Mar 18, 2026 | 6.06% (0.06061) | 90.63th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.70% (0.03702) | 87.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.19% (0.00191) | 57.81th | v3 (v2023.03.01) |
| Jun 20, 2023 | 0.19% (0.00191) | 55.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00206) | 56.76th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
References (8)
- http://marc.info/?l=bugtraq&m=108922292425219&w=2 vendor-advisoryx_refsource_HPMailing ListThird Party Advisory
- http://www.kb.cert.org/vuls/id/584606 third-party-advisoryx_refsource_CERT-VNPatchThird Party AdvisoryUS Government Resource
- https://access.redhat.com/security/cve/CVE-2004-0657 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1850552 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/15406 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2004-0657
- https://www.cve.org/CVERecord?id=CVE-2004-0657
- https://www.kb.cert.org/vuls/id/584606
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=bugtraq&m=108922292425219&w=2 | vendor-advisoryx_refsource_HPMailing ListThird Party Advisory | |
| http://www.kb.cert.org/vuls/id/584606 | third-party-advisoryx_refsource_CERT-VNPatchThird Party AdvisoryUS Government Resource | |
| https://access.redhat.com/security/cve/CVE-2004-0657 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1850552 | Issue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/15406 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry | |
| https://nvd.nist.gov/vuln/detail/CVE-2004-0657 | ||
| https://www.cve.org/CVERecord?id=CVE-2004-0657 | ||
| https://www.kb.cert.org/vuls/id/584606 |
Change history (0)
No recorded changes yet.