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    CVE-2015-7853

    The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a negative input value.

    Published:Oct 21, 2015
    Last Modified:Apr 20, 2025
    EPS:Aug 7, 2017
    EPSS Score:0.20956
    CVSS Score:9.8

    Affected Products

    Vendor
    Netapp
    Product
    Clustered Data Ontap
    Vendor
    Netapp
    Product
    Data Ontap
    Vendor
    Netapp
    Product
    Oncommand Balance
    Vendor
    Netapp
    Product
    Oncommand Performance Manager
    Vendor
    Netapp
    Product
    Oncommand Unified Manager
    Vendor
    Ntp
    Product
    Ntp

    Exploits

    No exploit reference

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    References

    http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
    http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
    http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
    http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
    http://lists.opensuse.org/opensuse-updates/2015-11/msg00093.html
    http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
    http://packetstormsecurity.com/files/134082/FreeBSD-Security-Advisory-ntp-Authentication-Bypass.html
    http://packetstormsecurity.com/files/134137/Slackware-Security-Advisory-ntp-Updates.html
    http://support.ntp.org/bin/view/Main/NtpBug2920
    http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-ntp
    http://www.securityfocus.com/archive/1/536737/100/0/threaded
    http://www.securityfocus.com/archive/1/536760/100/0/threaded
    http://www.securityfocus.com/archive/1/536796/100/0/threaded
    http://www.securityfocus.com/archive/1/536833/100/0/threaded
    http://www.securityfocus.com/archive/1/archive/1/536737/100/100/threaded
    http://www.securityfocus.com/archive/1/archive/1/536760/100/100/threaded
    http://www.securityfocus.com/archive/1/archive/1/536796/100/100/threaded
    http://www.securityfocus.com/archive/1/archive/1/536833/100/100/threaded
    http://www.securityfocus.com/bid/77273
    http://www.securitytracker.com/id/1033951
    http://www.talosintel.com/vulnerability-reports/
    http://www.ubuntu.com/usn/USN-2783-1
    https://bto.bluecoat.com/security-advisory/sa103
    https://bugzilla.redhat.com/show_bug.cgi?id=1274262
    https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
    https://security.gentoo.org/glsa/201607-15
    https://security.netapp.com/advisory/ntap-20171004-0001/
    https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
    http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
    http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
    http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
    http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
    http://lists.opensuse.org/opensuse-updates/2015-11/msg00093.html
    http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
    http://packetstormsecurity.com/files/134082/FreeBSD-Security-Advisory-ntp-Authentication-Bypass.html
    http://packetstormsecurity.com/files/134137/Slackware-Security-Advisory-ntp-Updates.html
    http://support.ntp.org/bin/view/Main/NtpBug2920
    http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-ntp
    http://www.securityfocus.com/archive/1/536737/100/0/threaded
    http://www.securityfocus.com/archive/1/536760/100/0/threaded
    http://www.securityfocus.com/archive/1/536796/100/0/threaded
    http://www.securityfocus.com/archive/1/536833/100/0/threaded
    http://www.securityfocus.com/archive/1/archive/1/536737/100/100/threaded
    http://www.securityfocus.com/archive/1/archive/1/536760/100/100/threaded
    http://www.securityfocus.com/archive/1/archive/1/536796/100/100/threaded
    http://www.securityfocus.com/archive/1/archive/1/536833/100/100/threaded
    http://www.securityfocus.com/bid/77273
    http://www.securitytracker.com/id/1033951
    http://www.talosintel.com/vulnerability-reports/
    http://www.ubuntu.com/usn/USN-2783-1
    https://bto.bluecoat.com/security-advisory/sa103
    https://bugzilla.redhat.com/show_bug.cgi?id=1274262
    https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
    https://security.gentoo.org/glsa/201607-15
    https://security.netapp.com/advisory/ntap-20171004-0001/
    https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11

    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