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Sicherheit: Zwei Probleme in Enigmail
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in Enigmail
ID: openSUSE-SU-2018:1329-1
Distribution: SUSE
Plattformen: SUSE Package Hub for SUSE Linux Enterprise 12
Datum: Do, 17. Mai 2018, 23:09
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17689
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17688
Applikationen: Enigmail

Originalnachricht

   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

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