SUSE SLES12 Security Update : openssh (SUSE-SU-2018:2685-1)

High Nessus Plugin ID 117452

Synopsis

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

Description

This update for openssh provides the following fixes :

Security issues fixed :

CVE-2017-15906: Stricter checking of operations in read-only mode in sftp server (bsc#1065000).

CVE-2016-10012: Remove pre-auth compression support from the server to prevent possible cryptographic attacks (bsc#1016370).

CVE-2008-1483: Refine handling of sockets for X11 forwarding to remove reintroduced CVE-2008-1483 (bsc#1069509).

CVE-2016-10708: Prevent DoS due to crashes caused by out-of-sequence NEWKEYS message (bsc#1076957).

Bug fixes: bsc#1017099: Enable case-insensitive hostname matching.

bsc#1023275: Add a new switch for printing diagnostic messages in sftp client's batch mode.

bsc#1048367: systemd integration to work around various race conditions.

bsc#1053972: Remove duplicate KEX method.

bsc#1092582: Add missing piece of systemd integration.

Remove the limit on the amount of tasks sshd can run.

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.

Solution

To install this SUSE 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 Linux Enterprise Server for SAP 12-SP1:zypper in -t patch SUSE-SLE-SAP-12-SP1-2018-1876=1

SUSE Linux Enterprise Server 12-SP1-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP1-2018-1876=1

SUSE Linux Enterprise Server 12-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-2018-1876=1

See Also

https://bugzilla.suse.com/1016370

https://bugzilla.suse.com/1017099

https://bugzilla.suse.com/1023275

https://bugzilla.suse.com/1048367

https://bugzilla.suse.com/1053972

https://bugzilla.suse.com/1065000

https://bugzilla.suse.com/1069509

https://bugzilla.suse.com/1076957

https://bugzilla.suse.com/1092582

https://www.suse.com/security/cve/CVE-2008-1483.html

https://www.suse.com/security/cve/CVE-2016-10012.html

https://www.suse.com/security/cve/CVE-2016-10708.html

https://www.suse.com/security/cve/CVE-2017-15906.html

http://www.nessus.org/u?c4edd86c

Plugin Details

Severity: High

ID: 117452

File Name: suse_SU-2018-2685-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2018/09/12

Modified: 2018/09/12

Dependencies: 12634

Risk Information

Risk Factor: High

CVSSv2

Base Score: 7.2

Temporal Score: 6.3

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

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

CVSSv3

Base Score: 7.8

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:openssh, p-cpe:/a:novell:suse_linux:openssh-askpass-gnome, p-cpe:/a:novell:suse_linux:openssh-askpass-gnome-debuginfo, p-cpe:/a:novell:suse_linux:openssh-debuginfo, p-cpe:/a:novell:suse_linux:openssh-debugsource, p-cpe:/a:novell:suse_linux:openssh-fips, p-cpe:/a:novell:suse_linux:openssh-helpers, p-cpe:/a:novell:suse_linux:openssh-helpers-debuginfo, cpe:/o:novell:suse_linux:12

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2018/09/11

Reference Information

CVE: CVE-2008-1483, CVE-2016-10012, CVE-2016-10708, CVE-2017-15906

BID: 28444

CWE: 264