• [ GLSA 202104-06 ] libTIFF: Multiple vulnerabilities

    From Thomas Deutschmann@21:1/5 to All on Sat May 1 02:10:01 2021
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    Gentoo Linux Security Advisory GLSA 202104-06
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    https://security.gentoo.org/
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    Severity: Normal
    Title: libTIFF: Multiple vulnerabilities
    Date: April 30, 2021
    Bugs: #775125
    ID: 202104-06

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    Synopsis
    ========

    Multiple vulnerabilities have been found in LibTIFF, the worst of which
    could result in the execution of arbitrary code.

    Background
    ==========

    The TIFF library contains encoding and decoding routines for the Tag
    Image File Format. It is called by numerous programs, including GNOME
    and KDE applications, to interpret TIFF images.

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

    -------------------------------------------------------------------
    Package / Vulnerable / Unaffected
    -------------------------------------------------------------------
    1 media-libs/tiff < 4.2.0 >= 4.2.0

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

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

    Impact
    ======

    A remote attacker, by enticing the user to process a specially crafted
    TIFF file, could possibly execute arbitrary code with the privileges of
    the process, or cause a Denial of Service condition.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All LibTIFF users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-libs/tiff-4.2.0"

    References
    ==========

    [ 1 ] CVE-2020-35521
    https://nvd.nist.gov/vuln/detail/CVE-2020-35521
    [ 2 ] CVE-2020-35522
    https://nvd.nist.gov/vuln/detail/CVE-2020-35522
    [ 3 ] CVE-2020-35523
    https://nvd.nist.gov/vuln/detail/CVE-2020-35523
    [ 4 ] CVE-2020-35524
    https://nvd.nist.gov/vuln/detail/CVE-2020-35524

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

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

    https://security.gentoo.org/glsa/202104-06

    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 2021 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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