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OpenAdvisories
Unscored RHSA-2017:0252 5 CVEs

Red Hat Security Advisory: ntp security update

Published Sep 15, 2024 · Updated Jun 26, 2026

Ecosystem: Red Hat

Fixed packages 44

ReleasePackageFixed in
Red Hat · RHEL 6 enterprise_linux:6::client ntp 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::client ntp-debuginfo 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::client ntp-doc 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::client ntp-perl 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::client ntpdate 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::computenode ntp 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::computenode ntp-debuginfo 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::computenode ntp-doc 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::computenode ntp-perl 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::computenode ntpdate 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::server ntp 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::server ntp-debuginfo 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::server ntp-doc 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::server ntp-perl 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::server ntpdate 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::workstation ntp 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::workstation ntp-debuginfo 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::workstation ntp-doc 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::workstation ntp-perl 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 6 enterprise_linux:6::workstation ntpdate 0:4.2.6p5-10.el6_8.2
Red Hat · RHEL 7 enterprise_linux:7::client ntp 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::client ntp-debuginfo 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::client ntp-doc 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::client ntp-perl 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::client ntpdate 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::client sntp 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::computenode ntp 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::computenode ntp-debuginfo 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::computenode ntp-doc 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::computenode ntp-perl 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::computenode ntpdate 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::computenode sntp 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::server ntp 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::server ntp-debuginfo 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::server ntp-doc 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::server ntp-perl 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::server ntpdate 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::server sntp 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::workstation ntp 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::workstation ntp-debuginfo 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::workstation ntp-doc 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::workstation ntp-perl 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::workstation ntpdate 0:4.2.6p5-25.el7_3.1
Red Hat · RHEL 7 enterprise_linux:7::workstation sntp 0:4.2.6p5-25.el7_3.1

Vulnerabilities 5

  • Unscored —
    CVE-2016-7426 EPSS 12%

    NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations i…

    ntp ntp Debian Ubuntu
  • Unscored —
    CVE-2016-7429

    NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows rem…

    ntp ntp Debian Ubuntu
  • Unscored —
    CVE-2016-7433

    NTP before 4.2.8p9 does not properly perform the initial sync calculations, which allows remote attackers to unspecifie…

    ntp ntp Debian Ubuntu
  • Unscored —
    CVE-2016-9310 EPSS 11%

    The control mode (mode 6) functionality in ntpd in NTP before 4.2.8p9 allows remote attackers to set or unset traps via…

    ntp ntp Debian Ubuntu
  • Unscored —
    CVE-2016-9311 EPSS 11%

    ntpd in NTP before 4.2.8p9, when the trap service is enabled, allows remote attackers to cause a denial of service (NUL…

    ntp ntp Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1397319
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1397341
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1397345
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1397347
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1398350
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2017/rhsa-2017_0252.json
  • report
    https://access.redhat.com/security/cve/CVE-2016-7426
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2016-7426
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2016-7426
  • article
    http://support.ntp.org/bin/view/Main/NtpBug3071
  • report
    https://access.redhat.com/security/cve/CVE-2016-7429
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2016-7429
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2016-7429
  • article
    http://support.ntp.org/bin/view/Main/NtpBug3072
  • report
    https://access.redhat.com/security/cve/CVE-2016-7433
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2016-7433
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2016-7433
  • article
    http://support.ntp.org/bin/view/Main/NtpBug3067
  • report
    https://access.redhat.com/security/cve/CVE-2016-9310
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2016-9310
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2016-9310
  • article
    http://support.ntp.org/bin/view/Main/NtpBug3118
  • report
    https://access.redhat.com/security/cve/CVE-2016-9311
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2016-9311
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2016-9311
  • article
    http://support.ntp.org/bin/view/Main/NtpBug3119