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    Gentoo: GLSA-202007-55: libetpan: Improper STARTTLS handling

    Date
    103
    Posted By
    A vulnerability was discovered in libetpan's STARTTLS handling, possibly allowing an integrity/confidentiality compromise.
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    Gentoo Linux Security Advisory                           GLSA 202007-55
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                                               https://security.gentoo.org/
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     Severity: Normal
        Title: libetpan: Improper STARTTLS handling
         Date: July 28, 2020
         Bugs: #734130
           ID: 202007-55
    
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    Synopsis
    ========
    
    A vulnerability was discovered in libetpan's STARTTLS handling,
    possibly allowing an integrity/confidentiality compromise.
    
    Background
    ==========
    
    libetpan is a portable, efficient middleware for different kinds of
    mail access.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  net-libs/libetpan           < 1.9.4-r1               >= 1.9.4-r1
    
    Description
    ===========
    
    It was discovered that libetpan was not properly handling state within
    the STARTTLS protocol handshake.
    
    Impact
    ======
    
    There may be a breach of integrity or confidentiality in connections
    made using libetpan with STARTTLS.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All libetpan users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-libs/libetpan-1.9.4-r1"
    
    References
    ==========
    
    [ 1 ] CVE-2020-15953
          https://nvd.nist.gov/vuln/detail/CVE-2020-15953
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/202007-55
    
    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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