Gentoo: GLSA-201407-04: GnuPG: Denial of Service

    Date16 Jul 2014
    CategoryGentoo
    28
    Posted ByLinuxSecurity Advisories
    A vulnerability in GnuPG can lead to a Denial of Service condition.
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    Gentoo Linux Security Advisory                           GLSA 201407-04
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                                                http://security.gentoo.org/
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     Severity: Normal
        Title: GnuPG: Denial of Service
         Date: July 16, 2014
         Bugs: #514718
           ID: 201407-04
    
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    Synopsis
    ========
    
    A vulnerability in GnuPG can lead to a Denial of Service condition.
    
    Background
    ==========
    
    The GNU Privacy Guard, GnuPG, is a free replacement for the PGP suite
    of cryptographic software.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  app-crypt/gnupg              < 2.0.24 *>= 1.4.21 
                                                               *>= 1.4.17 
                                                               *>= 1.4.18 
                                                               *>= 1.4.20 
                                                               *>= 1.4.19 
                                                                >= 2.0.24 
    
    Description
    ===========
    
    GnuPG does not properly handle a specially crated compressed packet
    resulting in an infinite loop.
    
    Impact
    ======
    
    A context-dependent attacker can cause a Denial of Service.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All GnuPG 2.0 users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-crypt/gnupg-2.0.24"
    
    All GnuPG 1.4 users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-crypt/gnupg-1.4.17"
    
    References
    ==========
    
    [ 1 ] CVE-2014-4617
          http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-4617
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     http://security.gentoo.org/glsa/glsa-201407-04.xml
    
    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 2014 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.
    
    http://creativecommons.org/licenses/by-sa/2.5
    
    
    
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