SUSE SLES11 Security Update : samba (SUSE-SU-2017:1391-1) (SambaCry)

Critical Nessus Plugin ID 100404

Synopsis

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

Description

This update for samba fixes the following issue :

- An unprivileged user with access to the samba server could cause smbd to load a specially crafted shared library, which then had the ability to execute arbitrary code on the server as 'root'. [CVE-2017-7494, bso#12780, bsc#1038231]

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 11-SP4:zypper in -t patch sdksp4-samba-13127=1

SUSE Linux Enterprise Server 11-SP4:zypper in -t patch slessp4-samba-13127=1

SUSE Linux Enterprise Server 11-SP3-LTSS:zypper in -t patch slessp3-samba-13127=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch sleposp3-samba-13127=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch dbgsp4-samba-13127=1

SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch dbgsp3-samba-13127=1

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

See Also

https://bugzilla.suse.com/1038231

https://www.suse.com/security/cve/CVE-2017-7494.html

http://www.nessus.org/u?41b8bec1

Plugin Details

Severity: Critical

ID: 100404

File Name: suse_SU-2017-1391-1.nasl

Version: $Revision: 3.12 $

Type: local

Agent: unix

Published: 2017/05/25

Modified: 2018/01/31

Dependencies: 12634

Risk Information

Risk Factor: Critical

CVSSv2

Base Score: 10

Temporal Score: 8.7

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

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

CVSSv3

Base Score: 9.8

Temporal Score: 9.4

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

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:X

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:ldapsmb, p-cpe:/a:novell:suse_linux:libldb1, p-cpe:/a:novell:suse_linux:libsmbclient0, p-cpe:/a:novell:suse_linux:libtalloc2, p-cpe:/a:novell:suse_linux:libtdb1, p-cpe:/a:novell:suse_linux:libtevent0, p-cpe:/a:novell:suse_linux:libwbclient0, p-cpe:/a:novell:suse_linux:samba, p-cpe:/a:novell:suse_linux:samba-client, p-cpe:/a:novell:suse_linux:samba-krb-printing, p-cpe:/a:novell:suse_linux:samba-winbind, cpe:/o:novell:suse_linux:11

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: 2017/05/24

Exploitable With

CANVAS (CANVAS)

Core Impact

Metasploit (Samba is_known_pipename() Arbitrary Module Load)

Reference Information

CVE: CVE-2017-7494

OSVDB: 158063