Gentoo: GLSA-201904-22: OpenDKIM: Root privilege escalation

    Date22 Apr 2019
    CategoryGentoo
    305
    Posted ByLinuxSecurity Advisories
    A vulnerability was discovered in Gentoo's ebuild for OpenDKIM which could lead to root privilege escalation.
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    Gentoo Linux Security Advisory                           GLSA 201904-22
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                                               https://security.gentoo.org/
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     Severity: Normal
        Title: OpenDKIM: Root privilege escalation
         Date: April 22, 2019
         Bugs: #629914
           ID: 201904-22
    
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    Synopsis
    ========
    
    A vulnerability was discovered in Gentoo's ebuild for OpenDKIM which
    could lead to root privilege escalation.
    
    Background
    ==========
    
    A community effort to develop and maintain a C library for producing
    DKIM-aware applications and an open source milter for providing DKIM
    service.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  mail-filter/opendkim       < 2.10.3-r8              >= 2.10.3-r8 
    
    Description
    ===========
    
    It was discovered that Gentoo’s OpenDKIM ebuild does not properly set
    permissions or place the pid file in a safe directory.
    
    Impact
    ======
    
    A local attacker could escalate privileges.
    
    Workaround
    ==========
    
    Users should ensure the proper permissions are set as discussed in the
    referenced bugs.
    
    Resolution
    ==========
    
    All OpenDKIM users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=mail-filter/opendkim-2.10.3-r8"
    
    References
    ==========
    
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/201904-22
    
    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 2019 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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