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    Gentoo: GLSA-202101-32: Mutt, NeoMutt: Information disclosure

    Date 26 Jan 2021
    103
    Posted By LinuxSecurity Advisories
    A weakness was discovered in Mutt and NeoMutt's TLS handshake handling
    To: This email address is being protected from spambots. You need JavaScript enabled to view it.
    Subject: [ GLSA 202101-32 ] Mutt, NeoMutt: Information disclosure
    
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    Gentoo Linux Security Advisory                           GLSA 202101-32
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                                               https://security.gentoo.org/
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     Severity: Normal
        Title: Mutt, NeoMutt: Information disclosure
         Date: January 26, 2021
         Bugs: #755833, #755866
           ID: 202101-32
    
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    Synopsis
    ========
    
    A weakness was discovered in Mutt and NeoMutt's TLS handshake handling
    
    Background
    ==========
    
    Mutt is a small but very powerful text-based mail client.
    
    NeoMutt is a command line mail reader (or MUA). It’s a fork of Mutt
    with added features.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package              /     Vulnerable     /            Unaffected
        -------------------------------------------------------------------
      1  mail-client/mutt             < 2.0.2                    >= 2.0.2
      2  mail-client/neomutt         < 20201120               >= 20201120
        -------------------------------------------------------------------
         2 affected packages
    
    Description
    ===========
    
    A weakness in TLS handshake handling was found which may allow
    information disclosure.
    
    Impact
    ======
    
    A remote attacker may be able to cause information disclosure.
    
    Workaround
    ==========
    
    There is no known workaround at this time.
    
    Resolution
    ==========
    
    All Mutt users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=mail-client/mutt-2.0.2"
    
    All NeoMutt users should upgrade to the latest version:
    
      # emerge --sync
      # emerge --ask --oneshot --verbose ">=mail-client/neomutt-20201120"
    
    References
    ==========
    
    [ 1 ] CVE-2020-28896
          https://nvd.nist.gov/vuln/detail/CVE-2020-28896
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
     https://security.gentoo.org/glsa/202101-32
    
    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 2021 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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