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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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