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    Gentoo: GLSA-202011-15: libmaxminddb: Denial of service

    Date 14 Nov 2020
    474
    Posted By LinuxSecurity Advisories
    A vulnerability in libmaxminddb could lead to a Denial of Service condition.
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    Gentoo Linux Security Advisory                           GLSA 202011-15
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                                               https://security.gentoo.org/
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     Severity: Normal
        Title: libmaxminddb: Denial of service
         Date: November 14, 2020
         Bugs: #753275
           ID: 202011-15
    
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    Synopsis
    ========
    
    A vulnerability in libmaxminddb could lead to a Denial of Service
    condition.
    
    Background
    ==========
    
    The libmaxminddb library provides a C library for reading MaxMind DB
    files, including the GeoIP2 databases from MaxMind.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  dev-libs/libmaxminddb        < 1.4.3                    >= 1.4.3 
    
    Description
    ===========
    
    libmaxminddb used uninitialised memory when reading from a corrupt
    database file.
    
    Impact
    ======
    
    A remote attacker could entice a user to use a specially crafted
    database with libmaxminddb, possibly resulting in a Denial of Service
    condition.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All libmaxminddb users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-libs/libmaxminddb-1.4.3"
    
    References
    ==========
    
    [ 1 ] CVE-2020-28241
          https://nvd.nist.gov/vuln/detail/CVE-2020-28241
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/202011-15
    
    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
    This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at
    https://bugs.gentoo.org.
    
    License
    =======
    
    Copyright 2020 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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