SUSE SLES12 Security Update : samba (SUSE-SU-2016:3299-1)

Medium Nessus Plugin ID 96261

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 issue does not affect our packages, as the component is not built.
Non security issues fixed :

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

- Add doc changes for net ads --no-dns-updates switch (bsc#991564)

- Include vfstest in samba-test (bsc#1001203).

- s3/winbindd: using default domain with [email protected] format fails (bsc#997833).

- Fix illegal memory access after memory has been deleted (bsc#975299).

- Fix bug in tevent poll backend causing winbind to loop tightly (bsc#994500).

- Various fixes for spnego/ntlm (bsc#986675).

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 Server for SAP 12:zypper in -t patch SUSE-SLE-SAP-12-2016-1935=1

SUSE Linux Enterprise Server 12-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-2016-1935=1

SUSE Linux Enterprise High Availability 12:zypper in -t patch SUSE-SLE-HA-12-2016-1935=1

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

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1001203

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://bugzilla.suse.com/show_bug.cgi?id=975299

https://bugzilla.suse.com/show_bug.cgi?id=986675

https://bugzilla.suse.com/show_bug.cgi?id=991564

https://bugzilla.suse.com/show_bug.cgi?id=994500

https://bugzilla.suse.com/show_bug.cgi?id=997833

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?a3a0d338

Plugin Details

Severity: Medium

ID: 96261

File Name: suse_SU-2016-3299-1.nasl

Version: 3.10

Type: local

Agent: unix

Published: 2017/01/03

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:ctdb, p-cpe:/a:novell:suse_linux:ctdb-debuginfo, 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:libgensec0, p-cpe:/a:novell:suse_linux:libgensec0-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:libregistry0, p-cpe:/a:novell:suse_linux:libregistry0-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-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:libsmbclient-raw0, p-cpe:/a:novell:suse_linux:libsmbclient-raw0-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: 2016/12/29

Vulnerability Publication Date: 2017/05/11

Reference Information

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