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  • [gentoo-announce] [ GLSA 202506-11 ] YAML-LibYAML: Shell injection

    From glsamaker@gentoo.org@21:1/5 to All on Thu Jun 12 12:10:01 2025
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    Gentoo Linux Security Advisory GLSA 202506-11
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    https://security.gentoo.org/
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    Severity: Normal
    Title: YAML-LibYAML: Shell injection
    Date: June 12, 2025
    Bugs: #949498
    ID: 202506-11

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    Synopsis
    ========

    A vulnerability has been discovered in YAML-LibYAML, which can lead to
    shell injection.

    Background
    ==========

    YAML-LibYAML provides YAML Serialization using XS and libyaml for Perl.

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

    Package Vulnerable Unaffected
    --------------------- ------------ ------------
    dev-perl/YAML-LibYAML < 0.903.0 >= 0.903.0

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

    YAML-LibYAML uses the legacy '2-arg' open() call which is susceptible to
    shell injection via malicious filenames.

    Impact
    ======

    Shell injection may be used to execute arbitrary code using a malicious filename.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All YAML-LibYAML users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-perl/YAML-LibYAML-0.903.0"

    References
    ==========

    [ 1 ] CVE-2025-40908
    https://nvd.nist.gov/vuln/detail/CVE-2025-40908

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

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

    https://security.gentoo.org/glsa/202506-11

    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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