CVE-2015-7703

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    CVE-2015-7703

    Published: 24 Jul 2017Last Modified: 10 Apr 2026

    Summary:

    Details: The "pidfile" or "driftfile" directives in NTP ntpd 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77, when ntpd is configured to allow remote configuration, allows remote attackers with an IP address that is allowed to send configuration requests, and with knowledge of the remote configuration password to write to arbitrary files via the :config command.

    References: http://rhn.redhat.com/errata/RHSA-2016-0780.html, http://rhn.redhat.com/errata/RHSA-2016-2583.html, http://support.ntp.org/bin/view/Main/NtpBug2902, http://www.debian.org/security/2015/dsa-3388, http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html, http://www.securityfocus.com/bid/77278, http://www.securitytracker.com/id/1033951, https://bugzilla.redhat.com/show_bug.cgi?id=1254547, https://security.gentoo.org/glsa/201607-15, https://security.netapp.com/advisory/ntap-20171004-0001/, https://bugzilla.redhat.com/show_bug.cgi?id=1254547

    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