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TI-2015-03008 Aliases CVE-2015-3405GHSA-wwx9-mwhp-g8mc

ntp-keygen in ntp 4.2.8px before 4.2.8p2-RC2 and 4.3.x before 4.3.12 does not generate…

Priority MEDIUM 41CWE-331Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 16 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.

Summary

ntp-keygen in ntp 4.2.8px before 4.2.8p2-RC2 and 4.3.x before 4.3.12 does not generate MD5 keys with sufficient entropy on big endian machines when the lowest order byte of the temp variable is between 0x20 and 0x7f and not #, which might allow remote attackers to obtain the value of generated MD5 keys via a brute force attack with the 93 possible keys.

Why it matters now

EPSS 0.05292 92nd percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 16 fixed, 1 without a fix

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 · 28

CPEVersionsRoleVendor
cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*4.2.8 p1VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:*4.2.8 p2VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:*4.2.8 p2-rc1VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.3.0:*:*:*:*:*:*:*4.3.0VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.3.1:*:*:*:*:*:*:*4.3.1VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.3.2:*:*:*:*:*:*:*4.3.2VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.3.3:*:*:*:*:*:*:*4.3.3VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.3.4:*:*:*:*:*:*:*4.3.4VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.3.5:*:*:*:*:*:*:*4.3.5VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.3.6:*:*:*:*:*:*:*4.3.6VulnerableNTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* Versions 4.2.8 p1 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:* Versions 4.2.8 p2 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* Versions 4.2.8 p2-rc1 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.3.0:*:*:*:*:*:*:* Versions 4.3.0 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.3.1:*:*:*:*:*:*:* Versions 4.3.1 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.3.2:*:*:*:*:*:*:* Versions 4.3.2 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.3.3:*:*:*:*:*:*:* Versions 4.3.3 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.3.4:*:*:*:*:*:*:* Versions 4.3.4 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.3.5:*:*:*:*:*:*:* Versions 4.3.5 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.3.6:*:*:*:*:*:*:* Versions 4.3.6 Vulnerable ·NTP Project
Show 18 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:ntp:ntp:4.3.7:*:*:*:*:*:*:*4.3.7VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.3.8:*:*:*:*:*:*:*4.3.8VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.3.9:*:*:*:*:*:*:*4.3.9VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.3.10:*:*:*:*:*:*:*4.3.10VulnerableNTP Project
cpe:2.3:a:ntp:ntp:4.3.11:*:*:*:*:*:*:*4.3.11VulnerableNTP Project
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:opensuse:suse_linux_enterprise_server:11.0:sp3:*:*:*:*:*:*11.0 sp3VulnerableopenSUSE
cpe:2.3:o:opensuse_project:suse_linux_enterprise_desktop:11.0:sp3:*:*:*:*:*:*11.0 sp3VulnerableOpensuse Project
cpe:2.3:o:suse:suse_linux_enterprise_server:11.0:sp3:*:*:*:vmware:*:*11.0 sp3VulnerableSUSE
cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*21VulnerableFedoraproject
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_from_rhui_6:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
  • cpe:2.3:a:ntp:ntp:4.3.7:*:*:*:*:*:*:* Versions 4.3.7 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.3.8:*:*:*:*:*:*:* Versions 4.3.8 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.3.9:*:*:*:*:*:*:* Versions 4.3.9 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.3.10:*:*:*:*:*:*:* Versions 4.3.10 Vulnerable ·NTP Project
  • cpe:2.3:a:ntp:ntp:4.3.11:*:*:*:*:*:*:* Versions 4.3.11 Vulnerable ·NTP Project
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:opensuse:suse_linux_enterprise_server:11.0:sp3:*:*:*:*:*:* Versions 11.0 sp3 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse_project:suse_linux_enterprise_desktop:11.0:sp3:*:*:*:*:*:* Versions 11.0 sp3 Vulnerable ·Opensuse Project
  • cpe:2.3:o:suse:suse_linux_enterprise_server:11.0:sp3:*:*:*:vmware:*:* Versions 11.0 sp3 Vulnerable ·SUSE
  • cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* Versions 21 Vulnerable ·Fedoraproject
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_from_rhui_6:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat

Remediation

Red Hat 2 advisories

  • RHSA-2015:2231 Released 2015-11-19 · Red Hat rating Moderate
    ntp security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) ntp-4.2.6p5-22.el7, ntpdate-4.2.6p5-22.el7
    • Red Hat Enterprise Linux Client Optional (v. 7) ntp-doc-4.2.6p5-22.el7, ntp-perl-4.2.6p5-22.el7, sntp-4.2.6p5-22.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) ntp-4.2.6p5-22.el7, ntpdate-4.2.6p5-22.el7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) ntp-doc-4.2.6p5-22.el7, ntp-perl-4.2.6p5-22.el7, sntp-4.2.6p5-22.el7
    • Red Hat Enterprise Linux Server (v. 7) ntp-4.2.6p5-22.el7, ntpdate-4.2.6p5-22.el7
    • Red Hat Enterprise Linux Server Optional (v. 7) ntp-doc-4.2.6p5-22.el7, ntp-perl-4.2.6p5-22.el7, sntp-4.2.6p5-22.el7
    • Red Hat Enterprise Linux Workstation (v. 7) ntp-4.2.6p5-22.el7, ntpdate-4.2.6p5-22.el7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) ntp-doc-4.2.6p5-22.el7, ntp-perl-4.2.6p5-22.el7, sntp-4.2.6p5-22.el7
  • RHSA-2015:1459 Released 2015-07-21 · Red Hat rating Moderate
    ntp security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Desktop (v. 6) ntp-4.2.6p5-5.el6, ntpdate-4.2.6p5-5.el6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) ntp-doc-4.2.6p5-5.el6, ntp-perl-4.2.6p5-5.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) ntp-4.2.6p5-5.el6, ntpdate-4.2.6p5-5.el6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) ntp-doc-4.2.6p5-5.el6, ntp-perl-4.2.6p5-5.el6
    • Red Hat Enterprise Linux Server (v. 6) ntp-4.2.6p5-5.el6, ntpdate-4.2.6p5-5.el6
    • Red Hat Enterprise Linux Server Optional (v. 6) ntp-doc-4.2.6p5-5.el6, ntp-perl-4.2.6p5-5.el6
    • Red Hat Enterprise Linux Workstation (v. 6) ntp-4.2.6p5-5.el6, ntpdate-4.2.6p5-5.el6
    • Red Hat Enterprise Linux Workstation Optional (v. 6) ntp-doc-4.2.6p5-5.el6, ntp-perl-4.2.6p5-5.el6

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2015:2231
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2015:2231
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2015:2231
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2015:2231
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2015:1459
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2015:1459
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2015:1459
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2015:1459
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2015:1459
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2015:2231
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2015:1459
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2015:2231
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2015:1459
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2015:2231
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2015:1459
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2015:2231

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-3405
  2. 2026-10-03 Alias added: GHSA-wwx9-mwhp-g8mc

References

Patch 1

Advisory 9

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences