SUSE-SU-2016:1471-1

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    SUSE-SU-2016:1471-1

    Published: 1 Jun 2016Last Modified: 4 Feb 2026

    Summary: Security update for ntp

    Details: This update for ntp fixes the following issues: - Separate the creation of ntp.keys and key #1 in it to avoid problems when upgrading installations that have the file, but no key #1, which is needed e.g. by 'rcntp addserver'. - Update to 4.2.8p7 (bsc#977446): * CVE-2016-1547, bsc#977459: Validate crypto-NAKs, AKA: CRYPTO-NAK DoS. * CVE-2016-1548, bsc#977461: Interleave-pivot * CVE-2016-1549, bsc#977451: Sybil vulnerability: ephemeral association attack. * CVE-2016-1550, bsc#977464: Improve NTP security against buffer comparison timing attacks. * CVE-2016-1551, bsc#977450: Refclock impersonation vulnerability * CVE-2016-2516, bsc#977452: Duplicate IPs on unconfig directives will cause an assertion botch in ntpd. * CVE-2016-2517, bsc#977455: remote configuration trustedkey/ requestkey/controlkey values are not properly validated. * CVE-2016-2518, bsc#977457: Crafted addpeer with hmode > 7 causes array wraparound with MATCH_ASSOC. * CVE-2016-2519, bsc#977458: ctl_getitem() return value not always checked. * integrate ntp-fork.patch * Improve the fixes for: CVE-2015-7704, CVE-2015-7705, CVE-2015-7974 - Restrict the parser in the startup script to the first occurrance of 'keys' and 'controlkey' in ntp.conf (bsc#957226).

    References: https://www.suse.com/support/update/announcement/2016/suse-su-20161471-1/, https://bugzilla.suse.com/957226, https://bugzilla.suse.com/977446, https://bugzilla.suse.com/977450, https://bugzilla.suse.com/977451, https://bugzilla.suse.com/977452, https://bugzilla.suse.com/977455, https://bugzilla.suse.com/977457, https://bugzilla.suse.com/977458, https://bugzilla.suse.com/977459, https://bugzilla.suse.com/977461, https://bugzilla.suse.com/977464, https://www.suse.com/security/cve/CVE-2015-7704, https://www.suse.com/security/cve/CVE-2015-7705, https://www.suse.com/security/cve/CVE-2015-7974, https://www.suse.com/security/cve/CVE-2016-1547, https://www.suse.com/security/cve/CVE-2016-1548, https://www.suse.com/security/cve/CVE-2016-1549, https://www.suse.com/security/cve/CVE-2016-1550, https://www.suse.com/security/cve/CVE-2016-1551, https://www.suse.com/security/cve/CVE-2016-2516, https://www.suse.com/security/cve/CVE-2016-2517, https://www.suse.com/security/cve/CVE-2016-2518, https://www.suse.com/security/cve/CVE-2016-2519

    Affected packages

    Package

    Name: ntp

    Purl: pkg:rpm/suse/ntp&distro=SUSE%20OpenStack%20Cloud%205

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.2.8p7-44.1

    Affected versions

    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
    SUSE-SU-2016:1471-1 | CVE-DB