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  • [gentoo-announce] [ GLSA 202507-05 ] NTP: Multiple Vulnerabilities

    From glsamaker@gentoo.org@21:1/5 to All on Wed Jul 9 01:00:01 2025
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    Gentoo Linux Security Advisory GLSA 202507-05
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    https://security.gentoo.org/
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    Severity: Normal
    Title: NTP: Multiple Vulnerabilities
    Date: July 08, 2025
    Bugs: #904337
    ID: 202507-05

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    Synopsis
    ========

    Multiple vulnerabilities have been discovered in NTP, the worst of which
    could lead to the execution of arbitrary code.

    Background
    ==========

    NTP contains software for the Network Time Protocol.

    Affected packages
    =================

    Package Vulnerable Unaffected
    ------------ ------------ ------------
    net-misc/ntp < 4.2.8_p16 >= 4.2.8_p16

    Description
    ===========

    Multiple vulnerabilities have been discovered in NTP. Please review the
    CVE identifiers referenced below for details.

    Impact
    ======

    The first four of these CVEs affect a function in libntp that is only
    used by ntpq, but not by ntpd.

    The last CVE affects the driver for a hardware clock (GPS receiver), so
    ntpd might be vulnerable to manipulated devices of that type, but not to
    remote attacks.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All NTP users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-misc/ntp-4.2.8_p16"

    References
    ==========

    [ 1 ] CVE-2023-26551
    https://nvd.nist.gov/vuln/detail/CVE-2023-26551
    [ 2 ] CVE-2023-26552
    https://nvd.nist.gov/vuln/detail/CVE-2023-26552
    [ 3 ] CVE-2023-26553
    https://nvd.nist.gov/vuln/detail/CVE-2023-26553
    [ 4 ] CVE-2023-26554
    https://nvd.nist.gov/vuln/detail/CVE-2023-26554
    [ 5 ] CVE-2023-26555
    https://nvd.nist.gov/vuln/detail/CVE-2023-26555

    Availability
    ============

    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:

    https://security.gentoo.org/glsa/202507-05

    Concerns?
    =========

    Security is a primary focus of Gentoo Linux and ensuring the
    confidentiality and security of our users' machines is of utmost
    importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

    License
    =======

    Copyright 2025 Gentoo Foundation, Inc; referenced text
    belongs to its owner(s).

    The contents of this document are licensed under the
    Creative Commons - Attribution / Share Alike license.

    https://creativecommons.org/licenses/by-sa/2.5
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