UBUNTU-CVE-2015-7850

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    UBUNTU-CVE-2015-7850

    Published: 22 Oct 2015Last Modified: 4 Feb 2026
    Upstream:
    CVE-2015-7850
    Aliases:
    USN-2783-1

    Summary:

    Details: ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (infinite loop or crash) by pointing the key file at the log file.

    References: https://ubuntu.com/security/CVE-2015-7850, http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_Security_Vulner, http://blog.talosintel.com/2015/10/ntpd-vulnerabilities.html, http://talosintel.com/reports/TALOS-2015-0055/, https://ubuntu.com/security/notices/USN-2783-1, https://www.cve.org/CVERecord?id=CVE-2015-7850

    Affected packages

    Package

    Name: ntp

    Purl: pkg:deb/ubuntu/ntp@1:4.2.6.p5+dfsg-3ubuntu2.14.04.5?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:4.2.6.p5+dfsg-3ubuntu2.14.04.5

    Affected versions

    1:4.2.6.p5+dfsg-3ubuntu2
    1:4.2.6.p5+dfsg-3ubuntu2.14.04.1
    1:4.2.6.p5+dfsg-3ubuntu2.14.04.2
    1:4.2.6.p5+dfsg-3ubuntu2.14.04.3

    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