RHEL 7 : samba (RHSA-2017:2790)

high Nessus Plugin ID 103407

Synopsis

The remote Red Hat host is missing one or more security updates for samba.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2017:2790 advisory.

- samba: Some code path don't enforce smb signing, when they should (CVE-2017-12150)

- samba: SMB2 connections don't keep encryption across DFS redirects (CVE-2017-12151)

- Samba: Server memory information leak over SMB1 (CVE-2017-12163)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL samba package based on the guidance in RHSA-2017:2790.

See Also

https://access.redhat.com/errata/RHSA-2017:2790

https://bugzilla.redhat.com/show_bug.cgi?id=1491206

https://access.redhat.com/security/updates/classification/#moderate

http://www.nessus.org/u?dc84ebeb

https://bugzilla.redhat.com/show_bug.cgi?id=1488197

https://bugzilla.redhat.com/show_bug.cgi?id=1488400

Plugin Details

Severity: High

ID: 103407

File Name: redhat-RHSA-2017-2790.nasl

Version: 3.16

Type: local

Agent: unix

Published: 9/22/2017

Updated: 4/27/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2017-12151

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:samba-krb5-printing, p-cpe:/a:redhat:enterprise_linux:samba-common, p-cpe:/a:redhat:enterprise_linux:samba-winbind-modules, p-cpe:/a:redhat:enterprise_linux:samba-client, p-cpe:/a:redhat:enterprise_linux:samba-client-libs, p-cpe:/a:redhat:enterprise_linux:samba-vfs-glusterfs, p-cpe:/a:redhat:enterprise_linux:samba-winbind-clients, p-cpe:/a:redhat:enterprise_linux:samba-libs, p-cpe:/a:redhat:enterprise_linux:samba-test, p-cpe:/a:redhat:enterprise_linux:samba-pidl, p-cpe:/a:redhat:enterprise_linux:samba-common-libs, p-cpe:/a:redhat:enterprise_linux:samba-dc-libs, p-cpe:/a:redhat:enterprise_linux:ctdb, p-cpe:/a:redhat:enterprise_linux:samba-test-libs, p-cpe:/a:redhat:enterprise_linux:samba-winbind-krb5-locator, p-cpe:/a:redhat:enterprise_linux:libwbclient-devel, p-cpe:/a:redhat:enterprise_linux:ctdb-tests, p-cpe:/a:redhat:enterprise_linux:samba-winbind, p-cpe:/a:redhat:enterprise_linux:libwbclient, p-cpe:/a:redhat:enterprise_linux:samba-devel, p-cpe:/a:redhat:enterprise_linux:libsmbclient, p-cpe:/a:redhat:enterprise_linux:samba-dc, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:samba, p-cpe:/a:redhat:enterprise_linux:samba-common-tools, p-cpe:/a:redhat:enterprise_linux:samba-python, p-cpe:/a:redhat:enterprise_linux:libsmbclient-devel

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/21/2017

Vulnerability Publication Date: 7/26/2018

Reference Information

CVE: CVE-2017-12150, CVE-2017-12151, CVE-2017-12163

CWE: 200, 300

RHSA: 2017:2790