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    CVE-2001-0414

    Buffer overflow in ntpd ntp daemon 4.0.99k and earlier (aka xntpd and xntp3) allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long readvar argument.

    Published:Apr 4, 2001
    Last Modified:Apr 16, 2026
    EPS:Sep 18, 2001
    EPSS Score:0.81157
    CVSS Score:10

    Affected Products

    Vendor
    Dave Mills
    Product
    Ntpd
    Vendor
    Dave Mills
    Product
    Xntp3
    Vendor
    Redhat
    Product
    Linux

    Exploits

    http://www.securityfocus.com/bid/2540http://www.securityfocus.com/bid/2540https://www.exploit-db.com/exploits/16285https://www.exploit-db.com/exploits/20727https://www.exploit-db.com/exploits/9940

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    References

    ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:31.ntpd.asc
    ftp://ftp.netbsd.org/pub/NetBSD/misc/security/advisories/NetBSD-SA2001-004.txt.asc
    ftp://ftp.sco.com/SSE/sse073.ltr
    ftp://ftp.sco.com/SSE/sse074.ltr
    http://archives.neohapsis.com/archives/bugtraq/2001-04/0127.html
    http://archives.neohapsis.com/archives/bugtraq/2001-04/0225.html
    http://archives.neohapsis.com/archives/bugtraq/2001-04/0314.html
    http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000392
    http://lists.suse.com/archives/suse-security-announce/2001-Apr/0000.html
    http://marc.info/?l=bugtraq&m=98642418618512&w=2
    http://marc.info/?l=bugtraq&m=98654963328381&w=2
    http://marc.info/?l=bugtraq&m=98659782815613&w=2
    http://marc.info/?l=bugtraq&m=98679815917014&w=2
    http://marc.info/?l=bugtraq&m=98683952401753&w=2
    http://marc.info/?l=bugtraq&m=98684202610470&w=2
    http://marc.info/?l=bugtraq&m=98684532921941&w=2
    http://www.calderasystems.com/support/security/advisories/CSSA-2001-013.0.txt
    http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-036.php3
    http://www.osvdb.org/805
    http://www.redhat.com/support/errata/RHSA-2001-045.html
    http://www.securityfocus.com/bid/2540
    https://exchange.xforce.ibmcloud.com/vulnerabilities/6321
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3831
    https://www.debian.org/security/2001/dsa-045
    ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:31.ntpd.asc
    ftp://ftp.netbsd.org/pub/NetBSD/misc/security/advisories/NetBSD-SA2001-004.txt.asc
    ftp://ftp.sco.com/SSE/sse073.ltr
    ftp://ftp.sco.com/SSE/sse074.ltr
    http://archives.neohapsis.com/archives/bugtraq/2001-04/0127.html
    http://archives.neohapsis.com/archives/bugtraq/2001-04/0225.html
    http://archives.neohapsis.com/archives/bugtraq/2001-04/0314.html
    http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000392
    http://lists.suse.com/archives/suse-security-announce/2001-Apr/0000.html
    http://marc.info/?l=bugtraq&m=98642418618512&w=2
    http://marc.info/?l=bugtraq&m=98654963328381&w=2
    http://marc.info/?l=bugtraq&m=98659782815613&w=2
    http://marc.info/?l=bugtraq&m=98679815917014&w=2
    http://marc.info/?l=bugtraq&m=98683952401753&w=2
    http://marc.info/?l=bugtraq&m=98684202610470&w=2
    http://marc.info/?l=bugtraq&m=98684532921941&w=2
    http://www.calderasystems.com/support/security/advisories/CSSA-2001-013.0.txt
    http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-036.php3
    http://www.osvdb.org/805
    http://www.redhat.com/support/errata/RHSA-2001-045.html
    http://www.securityfocus.com/bid/2540
    https://exchange.xforce.ibmcloud.com/vulnerabilities/6321
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3831
    https://www.debian.org/security/2001/dsa-045

    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