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TI-2005-02363 Aliases CVE-2005-2496GHSA-rr7w-f67q-fhr8

The xntpd ntp (ntpd) daemon before 4.2.0b, when run with the -u option and using a string…

Priority LOW 22Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

The xntpd ntp (ntpd) daemon before 4.2.0b, when run with the -u option and using a string to specify the group, uses the group ID of the user instead of the group, which causes xntpd to run with different privileges than intended.

Why it matters now

EPSS 0.00445 38th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:dave_mills:ntpd:*:*:*:*:*:*:*:*up to 4.2.0.a.2004-06-17_4.fc3VulnerableDave Mills
  • cpe:2.3:a:dave_mills:ntpd:*:*:*:*:*:*:*:* Versions up to 4.2.0.a.2004-06-17_4.fc3 Vulnerable ·Dave Mills

Remediation

Red Hat 1 advisory

  • RHSA-2006:0393 Released 2006-08-10 · Red Hat rating Low
    ntp security update
    • Red Hat Enterprise Linux AS version 4 ntp-4.2.0.a.20040617-4.EL4.1, ntp-4.2.0.a.20040617-4.EL4.1.i386, ntp-4.2.0.a.20040617-4.EL4.1.ia64 +1
    • Red Hat Enterprise Linux Desktop version 4 ntp-4.2.0.a.20040617-4.EL4.1, ntp-4.2.0.a.20040617-4.EL4.1.i386
    • Red Hat Enterprise Linux ES version 4 ntp-4.2.0.a.20040617-4.EL4.1, ntp-4.2.0.a.20040617-4.EL4.1.i386, ntp-4.2.0.a.20040617-4.EL4.1.ia64
    • Red Hat Enterprise Linux WS version 4 ntp-4.2.0.a.20040617-4.EL4.1, ntp-4.2.0.a.20040617-4.EL4.1.i386, ntp-4.2.0.a.20040617-4.EL4.1.ia64

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AS version 4Fixed RHSA-2006:0393
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2006:0393
Red Hat Enterprise Linux ES version 4Fixed RHSA-2006:0393
Red Hat Enterprise Linux WS version 4Fixed RHSA-2006:0393

Timeline

  1. 2026-10-02 Threatist record created from CVE-2005-2496
  2. 2026-10-03 Alias added: GHSA-rr7w-f67q-fhr8

References

  • TI-2001-00407 Buffer overflow in ntpd ntp daemon 4.0.99k and earlier (aka xntpd and xntp3) allows… CVSS 2.0HIGH 10.0

Sources