RHEL 6 : samba (RHSA-2016:0015)

high Nessus Plugin ID 90077

Synopsis

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

Description

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2016:0015 advisory.

- samba: Insufficient symlink verification in smbd (CVE-2015-5252)

- samba: client requesting encryption vulnerable to downgrade attack (CVE-2015-5296)

- Samba: Missing access control check in shadow copy code (CVE-2015-5299)

- samba, libldb: remote memory read in the Samba LDAP server (CVE-2015-5330)

- samba: DoS to AD-DC due to insufficient checking of asn1 memory allocation (CVE-2015-7540)

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-2016:0015.

See Also

http://www.nessus.org/u?b5ebafdf

https://access.redhat.com/errata/RHSA-2016:0015

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

https://bugzilla.redhat.com/show_bug.cgi?id=1276126

https://bugzilla.redhat.com/show_bug.cgi?id=1281326

https://bugzilla.redhat.com/show_bug.cgi?id=1288451

https://bugzilla.redhat.com/show_bug.cgi?id=1290288

https://bugzilla.redhat.com/show_bug.cgi?id=1290292

Plugin Details

Severity: High

ID: 90077

File Name: redhat-RHSA-2016-0015.nasl

Version: 2.14

Type: local

Agent: unix

Published: 3/22/2016

Updated: 4/27/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.8

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2015-5330

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libsmbclient, p-cpe:/a:redhat:enterprise_linux:libsmbclient-devel, p-cpe:/a:redhat:enterprise_linux:libwbclient, p-cpe:/a:redhat:enterprise_linux:libwbclient-devel, p-cpe:/a:redhat:enterprise_linux:samba, p-cpe:/a:redhat:enterprise_linux:samba-client, p-cpe:/a:redhat:enterprise_linux:samba-common, p-cpe:/a:redhat:enterprise_linux:samba-dc, p-cpe:/a:redhat:enterprise_linux:samba-dc-libs, p-cpe:/a:redhat:enterprise_linux:samba-devel, p-cpe:/a:redhat:enterprise_linux:samba-libs, p-cpe:/a:redhat:enterprise_linux:samba-pidl, p-cpe:/a:redhat:enterprise_linux:samba-python, p-cpe:/a:redhat:enterprise_linux:samba-test, p-cpe:/a:redhat:enterprise_linux:samba-test-devel, p-cpe:/a:redhat:enterprise_linux:samba-test-libs, p-cpe:/a:redhat:enterprise_linux:samba-vfs-glusterfs, p-cpe:/a:redhat:enterprise_linux:samba-winbind, p-cpe:/a:redhat:enterprise_linux:samba-winbind-clients, p-cpe:/a:redhat:enterprise_linux:samba-winbind-krb5-locator, p-cpe:/a:redhat:enterprise_linux:samba-winbind-modules, cpe:/o:redhat:enterprise_linux:6

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: 1/8/2016

Vulnerability Publication Date: 12/29/2015

Reference Information

CVE: CVE-2015-5252, CVE-2015-5296, CVE-2015-5299, CVE-2015-5330, CVE-2015-7540

CWE: 135, 345, 41, 770, 862

RHSA: 2016:0015