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openSUSE Security Update : enigmail (openSUSE-2018-470) (EFAIL)

medium Nessus Plugin ID 109904

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Synopsis

The remote openSUSE host is missing a security update.

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

Solution

Update the affected enigmail package.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1093151

https://bugzilla.opensuse.org/show_bug.cgi?id=1093152

Plugin Details

Severity: Medium

ID: 109904

File Name: openSUSE-2018-470.nasl

Version: 1.6

Type: local

Agent: unix

Published: 5/18/2018

Updated: 10/4/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2017-17689

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:enigmail, cpe:/o:novell:opensuse:42.3

Required KB Items: Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/17/2018

Reference Information

CVE: CVE-2017-17688, CVE-2017-17689