Gentoo: GLSA-202003-63: GNU IDN Library 2: Multiple vulnerabilities

    Date 30 Mar 2020
    288
    Posted By LinuxSecurity Advisories
    Multiple vulnerabilities have been found in GNU IDN Library 2, the worst of which could result in the remote execution of arbitrary code.
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    Gentoo Linux Security Advisory                           GLSA 202003-63
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                                               https://security.gentoo.org/
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     Severity: Normal
        Title: GNU IDN Library 2: Multiple vulnerabilities
         Date: March 30, 2020
         Bugs: #697752
           ID: 202003-63
    
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    Synopsis
    ========
    
    Multiple vulnerabilities have been found in GNU IDN Library 2, the
    worst of which could result in the remote execution of arbitrary code.
    
    Background
    ==========
    
    GNU IDN Library 2 is an implementation of the IDNA2008 + TR46
    specifications (RFC 5890, RFC 5891, RFC 5892, RFC 5893, TR 46).
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  net-dns/libidn2              < 2.2.0                    >= 2.2.0
    
    Description
    ===========
    
    Multiple vulnerabilities have been discovered in GNU IDN Library 2.
    Please review the CVE identifiers referenced below for details.
    
    Impact
    ======
    
    A remote attacker could send specially crafted input, possibly
    resulting in execution of arbitrary code with the privileges of the
    process, impersonation of domains or a Denial of Service condition.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All GNU IDN Library 2 users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-dns/libidn2-2.2.0"
    
    References
    ==========
    
    [ 1 ] CVE-2019-12290
          https://nvd.nist.gov/vuln/detail/CVE-2019-12290
    [ 2 ] CVE-2019-18224
          https://nvd.nist.gov/vuln/detail/CVE-2019-18224
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/202003-63
    
    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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