ESB-2018.1529 - [Win][UNIX/Linux][SUSE] enigmail: Access confidential data - Remote with user interaction 2018-05-18

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1529
                    EFAIL patched in enigmail for SUSE
                                18 May 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           enigmail
Publisher:         SUSE
Operating System:  SUSE
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Access Confidential Data -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-17689 CVE-2017-17688 

Original Bulletin: 
   https://lists.opensuse.org/opensuse-security-announce/2018-05/msg00080.html
   https://lists.opensuse.org/opensuse-security-announce/2018-05/msg00081.html

Comment: Note that these are the vulnerabilities known as "EFAIL".
         
         This advisory references vulnerabilities in products which run on 
         platforms other than SUSE. It is recommended that administrators 
         running enigmail check for an updated version of the software for 
         their operating system.
         
         This bulletin contains two (2) SUSE security advisories.

- --------------------------BEGIN INCLUDED TEXT--------------------

   openSUSE Security Update: Security update for enigmail
______________________________________________________________________________

Announcement ID:    openSUSE-SU-2018:1329-1
Rating:             moderate
References:         #1093151 #1093152 
Cross-References:   CVE-2017-17688 CVE-2017-17689
Affected Products:
                    SUSE Package Hub for SUSE Linux Enterprise 12
______________________________________________________________________________

   An update that fixes two vulnerabilities is now available.

Description:

   This update for enigmail to version 2.0.4 fixes multiple issues.

   Security issues fixed:

   - CVE-2017-17688: CFB gadget attacks allowed to exfiltrate plaintext out
     of encrypted emails. enigmail now fails on GnuPG integrity check
     warnings for old Algorithms (bsc#1093151)
   - CVE-2017-17689: CBC gadget attacks allows to exfiltrate plaintext out of
     encrypted emails (bsc#1093152)

   This update also includes new and updated functionality:

   - The Encryption and Signing buttons now work for both OpenPGP and S/MIME.
     Enigmail will chose between S/MIME or OpenPGP depending on whether the
     keys for all recipients are available for the respective standard
   - Support for the Autocrypt standard, which is now enabled by default
   - Support for Pretty Easy Privacy (p≡p)
   - Support for Web Key Directory (WKD)
   - The message subject can now be encrypted and replaced with a dummy
     subject, following the Memory Hole standard forprotected Email Headers
   - keys on keyring are automatically refreshed from keyservers at irregular
     intervals
   - Subsequent updates of Enigmail no longer require a restart of Thunderbird
   - Keys are internally addressed using the fingerprint instead of the key ID


Patch Instructions:

   To install this openSUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - SUSE Package Hub for SUSE Linux Enterprise 12:

      zypper in -t patch openSUSE-2018-470=1



Package List:

   - SUSE Package Hub for SUSE Linux Enterprise 12 (aarch64 ppc64le s390x x86_64):

      enigmail-2.0.4-9.1


References:

   https://www.suse.com/security/cve/CVE-2017-17688.html
   https://www.suse.com/security/cve/CVE-2017-17689.html
   https://bugzilla.suse.com/1093151
   https://bugzilla.suse.com/1093152

- --------------------------------------------------------------------------------

   openSUSE Security Update: Security update for enigmail
______________________________________________________________________________

Announcement ID:    openSUSE-SU-2018:1330-1
Rating:             moderate
References:         #1093151 #1093152 
Cross-References:   CVE-2017-17688 CVE-2017-17689
Affected Products:
                    openSUSE Leap 42.3
______________________________________________________________________________

   An update that fixes two vulnerabilities is now available.

Description:

   This update for enigmail to version 2.0.4 fixes multiple issues.

   Security issues fixed:

   - CVE-2017-17688: CFB gadget attacks allowed to exfiltrate plaintext out
     of encrypted emails. enigmail now fails on GnuPG integrity check
     warnings for old Algorithms (bsc#1093151)
   - CVE-2017-17689: CBC gadget attacks allows to exfiltrate plaintext out of
     encrypted emails (bsc#1093152)

   This update also includes new and updated functionality:

   - The Encryption and Signing buttons now work for both OpenPGP and S/MIME.
     Enigmail will chose between S/MIME or OpenPGP depending on whether the
     keys for all recipients are available for the respective standard
   - Support for the Autocrypt standard, which is now enabled by default
   - Support for Pretty Easy Privacy (pâ\x{137}¡p)
   - Support for Web Key Directory (WKD)
   - The message subject can now be encrypted and replaced with a dummy
     subject, following the Memory Hole standard forprotected Email Headers
   - keys on keyring are automatically refreshed from keyservers at irregular
     intervals
   - Subsequent updates of Enigmail no longer require a restart of Thunderbird
   - Keys are internally addressed using the fingerprint instead of the key ID


Patch Instructions:

   To install this openSUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - openSUSE Leap 42.3:

      zypper in -t patch openSUSE-2018-470=1



Package List:

   - openSUSE Leap 42.3 (i586 x86_64):

      enigmail-2.0.4-12.1


References:

   https://www.suse.com/security/cve/CVE-2017-17688.html
   https://www.suse.com/security/cve/CVE-2017-17689.html
   https://bugzilla.suse.com/1093151
   https://bugzilla.suse.com/1093152

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