CVE-2015-5219

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    CVE-2015-5219

    Published: 21 Jul 2017Last Modified: 16 Apr 2026

    Summary:

    Details: The ULOGTOD function in ntp.d in SNTP before 4.2.7p366 does not properly perform type conversions from a precision value to a double, which allows remote attackers to cause a denial of service (infinite loop) via a crafted NTP packet.

    References: http://aix.software.ibm.com/aix/efixes/security/ntp_advisory4.asc, http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhg, http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html, http://rhn.redhat.com/errata/RHSA-2016-0780.html, http://rhn.redhat.com/errata/RHSA-2016-2583.html, http://www.debian.org/security/2015/dsa-3388, http://www.openwall.com/lists/oss-security/2015/08/25/3, http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html, http://www.securityfocus.com/bid/76473, http://www.ubuntu.com/usn/USN-2783-1, https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf, https://github.com/ntp-project/ntp/commit/5f295cd05c3c136d39f5b3e500a2d781bdbb59c8, https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11, https://www-01.ibm.com/support/docview.wss?uid=isg3T1024157, https://www-01.ibm.com/support/docview.wss?uid=swg21985122, https://www-01.ibm.com/support/docview.wss?uid=swg21986956, https://www-01.ibm.com/support/docview.wss?uid=swg21988706, https://www-01.ibm.com/support/docview.wss?uid=swg21989542, https://www.ibm.com/support/home/docdisplay?lndocid=migr-5099409, http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166992.html, http://www.openwall.com/lists/oss-security/2015/08/25/3, http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhg, http://www.openwall.com/lists/oss-security/2015/08/25/3, https://github.com/ntp-project/ntp/commit/5f295cd05c3c136d39f5b3e500a2d781bdbb59c8, http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=51786731Gr4-NOrTBC_a_uXO4wuGhg, https://bugzilla.redhat.com/show_bug.cgi?id=1255118, https://github.com/ntp-project/ntp/commit/5f295cd05c3c136d39f5b3e500a2d781bdbb59c8, http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html, http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2015-5219 | CVE-DB