USN-4229-2

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    USN-4229-2

    Published: 15 Mar 2021Last Modified: 10 Feb 2026

    Summary: ntp vulnerability

    Details: USN-4229-1 fixed a vulnerability in NTP. This update provides the corresponding update for Ubuntu 18.04 ESM. Original advisory details: It was discovered that ntpq and ntpdc incorrectly handled some arguments. An attacker could possibly use this issue to cause ntpq or ntpdc to crash, execute arbitrary code, or escalate to higher privileges.

    References: https://ubuntu.com/security/notices/USN-4229-2, https://ubuntu.com/security/CVE-2018-12327

    Affected packages

    Package

    Name: ntp

    Purl: pkg:deb/ubuntu/ntp@1:4.2.8p10+dfsg-5ubuntu7.3+esm1?arch=source&distro=esm-apps/bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:4.2.8p10+dfsg-5ubuntu7.3+esm1

    Affected versions

    1:4.2.8p10+dfsg-5ubuntu3
    1:4.2.8p10+dfsg-5ubuntu4
    1:4.2.8p10+dfsg-5ubuntu5
    1:4.2.8p10+dfsg-5ubuntu6
    1:4.2.8p10+dfsg-5ubuntu7
    1:4.2.8p10+dfsg-5ubuntu7.1
    1:4.2.8p10+dfsg-5ubuntu7.1+esm1
    1:4.2.8p10+dfsg-5ubuntu7.1+esm2
    1:4.2.8p10+dfsg-5ubuntu7.2
    1:4.2.8p10+dfsg-5ubuntu7.2+esm1
    1:4.2.8p10+dfsg-5ubuntu7.3

    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