SUSE SLED12 / SLES12 Security Update : openssh (SUSE-SU-2016:1386-1)

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.


Synopsis :

The remote SUSE host is missing one or more security updates.

Description :

This update for OpenSSH fixes three security issues.

These security issues were fixed :

- CVE-2016-3115: Sanitise input for xauth(1) (bsc#970632)

- CVE-2016-1908: Prevent X11 SECURITY circumvention when
forwarding X11 connections (bsc#962313)

- CVE-2015-8325: Ignore PAM environment when using login
(bsc#975865)

These non-security issues were fixed :

- Fix help output of sftp (bsc#945493)

- Restarting openssh with openssh-fips installed was not
working correctly (bsc#945484)

- Fix crashes when /proc is not available in the chroot
(bsc#947458)

- Correctly parse GSSAPI KEX algorithms (bsc#961368)

- More verbose FIPS mode/CC related documentation in
README.FIPS (bsc#965576, bsc#960414)

- Fix PRNG re-seeding (bsc#960414, bsc#729190)

- Disable DH parameters under 2048 bits by default and
allow lowering the limit back to the RFC 4419 specified
minimum through an option (bsc#932483, bsc#948902)

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

See also :

https://bugzilla.suse.com/729190
https://bugzilla.suse.com/932483
https://bugzilla.suse.com/945484
https://bugzilla.suse.com/945493
https://bugzilla.suse.com/947458
https://bugzilla.suse.com/948902
https://bugzilla.suse.com/960414
https://bugzilla.suse.com/961368
https://bugzilla.suse.com/962313
https://bugzilla.suse.com/965576
https://bugzilla.suse.com/970632
https://bugzilla.suse.com/975865
https://www.suse.com/security/cve/CVE-2015-8325.html
https://www.suse.com/security/cve/CVE-2016-1908.html
https://www.suse.com/security/cve/CVE-2016-3115.html
http://www.nessus.org/u?4af37229

Solution :

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server 12-SP1 :

zypper in -t patch SUSE-SLE-SERVER-12-SP1-2016-818=1

SUSE Linux Enterprise Server 12 :

zypper in -t patch SUSE-SLE-SERVER-12-2016-818=1

SUSE Linux Enterprise Desktop 12-SP1 :

zypper in -t patch SUSE-SLE-DESKTOP-12-SP1-2016-818=1

SUSE Linux Enterprise Desktop 12 :

zypper in -t patch SUSE-SLE-DESKTOP-12-2016-818=1

To bring your system up-to-date, use 'zypper patch'.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 6.4
(CVSS2#E:U/RL:U/RC:C)
Public Exploit Available : false

Family: SuSE Local Security Checks

Nessus Plugin ID: 91318 ()

Bugtraq ID:

CVE ID: CVE-2015-8325
CVE-2016-1908
CVE-2016-3115

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