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[security-announce] openSUSE-SU-2018:1330-1: moderate: Security update for enigmail
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.


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
- 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):



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