SUSE SLED12 / SLES12 Security Update : samba (SUSE-SU-2016:3271-1)

Medium Nessus Plugin ID 96148

Synopsis

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

Description

This update for samba fixes the following issues: Security issues fixed :

- CVE-2016-2125: Don't send delegated credentials to all servers. (bsc#1014441).

- CVE-2016-2126: Denial of service due to a client triggered crash in the winbindd parent process.
(bsc#1014442).

- CVE-2016-2123: Heap-based Buffer Overflow Remote Code Execution Vulnerability. (bsc#1014437). This component is not built into our packages, so we are not affected.
Non security issues fixed :

- s3/client: obey 'disable netbios' smb.conf param, don't connect via NBT port; (bsc#1009085)

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 YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Software Development Kit 12-SP2:zypper in -t patch SUSE-SLE-SDK-12-SP2-2016-1916=1

SUSE Linux Enterprise Server for Raspberry Pi 12-SP2:zypper in -t patch SUSE-SLE-RPI-12-SP2-2016-1916=1

SUSE Linux Enterprise Server 12-SP2:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2016-1916=1

SUSE Linux Enterprise High Availability 12-SP2:zypper in -t patch SUSE-SLE-HA-12-SP2-2016-1916=1

SUSE Linux Enterprise Desktop 12-SP2:zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2016-1916=1

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

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1009085

https://bugzilla.suse.com/show_bug.cgi?id=1014437

https://bugzilla.suse.com/show_bug.cgi?id=1014441

https://bugzilla.suse.com/show_bug.cgi?id=1014442

https://www.suse.com/security/cve/CVE-2016-2123/

https://www.suse.com/security/cve/CVE-2016-2125/

https://www.suse.com/security/cve/CVE-2016-2126/

http://www.nessus.org/u?7454c7c0

Plugin Details

Severity: Medium

ID: 96148

File Name: suse_SU-2016-3271-1.nasl

Version: 3.10

Type: local

Agent: unix

Published: 2016/12/27

Updated: 2019/01/30

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.5

Temporal Score: 4.8

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

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

CVSS v3.0

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libdcerpc-binding0, p-cpe:/a:novell:suse_linux:libdcerpc-binding0-debuginfo, p-cpe:/a:novell:suse_linux:libdcerpc0, p-cpe:/a:novell:suse_linux:libdcerpc0-debuginfo, p-cpe:/a:novell:suse_linux:libndr-krb5pac0, p-cpe:/a:novell:suse_linux:libndr-krb5pac0-debuginfo, p-cpe:/a:novell:suse_linux:libndr-nbt0, p-cpe:/a:novell:suse_linux:libndr-nbt0-debuginfo, p-cpe:/a:novell:suse_linux:libndr-standard0, p-cpe:/a:novell:suse_linux:libndr-standard0-debuginfo, p-cpe:/a:novell:suse_linux:libndr0, p-cpe:/a:novell:suse_linux:libndr0-debuginfo, p-cpe:/a:novell:suse_linux:libnetapi0, p-cpe:/a:novell:suse_linux:libnetapi0-debuginfo, p-cpe:/a:novell:suse_linux:libsamba-credentials0, p-cpe:/a:novell:suse_linux:libsamba-credentials0-debuginfo, p-cpe:/a:novell:suse_linux:libsamba-errors0, p-cpe:/a:novell:suse_linux:libsamba-errors0-debuginfo, p-cpe:/a:novell:suse_linux:libsamba-hostconfig0, p-cpe:/a:novell:suse_linux:libsamba-hostconfig0-debuginfo, p-cpe:/a:novell:suse_linux:libsamba-passdb0, p-cpe:/a:novell:suse_linux:libsamba-passdb0-debuginfo, p-cpe:/a:novell:suse_linux:libsamba-util0, p-cpe:/a:novell:suse_linux:libsamba-util0-debuginfo, p-cpe:/a:novell:suse_linux:libsamdb0, p-cpe:/a:novell:suse_linux:libsamdb0-debuginfo, p-cpe:/a:novell:suse_linux:libsmbclient0, p-cpe:/a:novell:suse_linux:libsmbclient0-debuginfo, p-cpe:/a:novell:suse_linux:libsmbconf0, p-cpe:/a:novell:suse_linux:libsmbconf0-debuginfo, p-cpe:/a:novell:suse_linux:libsmbldap0, p-cpe:/a:novell:suse_linux:libsmbldap0-debuginfo, p-cpe:/a:novell:suse_linux:libtevent-util0, p-cpe:/a:novell:suse_linux:libtevent-util0-debuginfo, p-cpe:/a:novell:suse_linux:libwbclient0, p-cpe:/a:novell:suse_linux:libwbclient0-debuginfo, p-cpe:/a:novell:suse_linux:samba, p-cpe:/a:novell:suse_linux:samba-client, p-cpe:/a:novell:suse_linux:samba-client-debuginfo, p-cpe:/a:novell:suse_linux:samba-debuginfo, p-cpe:/a:novell:suse_linux:samba-debugsource, p-cpe:/a:novell:suse_linux:samba-libs, p-cpe:/a:novell:suse_linux:samba-libs-debuginfo, p-cpe:/a:novell:suse_linux:samba-winbind, p-cpe:/a:novell:suse_linux:samba-winbind-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: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2016/12/27

Vulnerability Publication Date: 2017/05/11

Reference Information

CVE: CVE-2016-2123, CVE-2016-2125, CVE-2016-2126