Gentoo: GLSA-201412-02: nfs-utils: Information disclosure

    Date08 Dec 2014
    CategoryGentoo
    68
    Posted ByLinuxSecurity Advisories
    A vulnerability in nfs-utils might allow remote attackers to gain access to restricted information.
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    Gentoo Linux Security Advisory                           GLSA 201412-02
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                                                http://security.gentoo.org/
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     Severity: Normal
        Title: nfs-utils: Information disclosure
         Date: December 08, 2014
         Bugs: #464636
           ID: 201412-02
    
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    Synopsis
    ========
    
    A vulnerability in nfs-utils might allow remote attackers to gain
    access to restricted information.
    
    Background
    ==========
    
    nfs-utils contains the client and daemon implementations for the NFS
    protocol.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  net-fs/nfs-utils             < 1.2.8                    >= 1.2.8
    
    Description
    ===========
    
    rpc.gssd in nfs-utils is vulnerable to DNS spoofing due to it depending
    on PTR resolution for GSSAPI authentication, allowing for data to be
    submitted to a malicious server without the knowledge of the user.
    
    Impact
    ======
    
    A remote attacker may be able to obtain sensitive information.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All nfs-utils users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-fs/nfs-utils-1.2.8"
    
    References
    ==========
    
    [ 1 ] CVE-2013-1923
          http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1923
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     http://security.gentoo.org/glsa/glsa-201412-02.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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