Scientific Linux Security Update : samba on SL6.x i386/x86_64 (20170321)

medium Nessus Plugin ID 99225

Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

Security Fix(es) :

- It was found that Samba always requested forwardable tickets when using Kerberos authentication. A service to which Samba authenticated using Kerberos could subsequently use the ticket to impersonate Samba to other services or domain users. (CVE-2016-2125)

- A flaw was found in the way Samba handled PAC (Privilege Attribute Certificate) checksums. A remote, authenticated attacker could use this flaw to crash the winbindd process. (CVE-2016-2126)

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?88233b9d

Plugin Details

Severity: Medium

ID: 99225

File Name: sl_20170321_samba_on_SL6_x.nasl

Version: 3.7

Type: local

Agent: unix

Published: 4/6/2017

Updated: 1/14/2021

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

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

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:libsmbclient, p-cpe:/a:fermilab:scientific_linux:libsmbclient-devel, p-cpe:/a:fermilab:scientific_linux:samba, p-cpe:/a:fermilab:scientific_linux:samba-client, p-cpe:/a:fermilab:scientific_linux:samba-common, p-cpe:/a:fermilab:scientific_linux:samba-debuginfo, p-cpe:/a:fermilab:scientific_linux:samba-doc, p-cpe:/a:fermilab:scientific_linux:samba-domainjoin-gui, p-cpe:/a:fermilab:scientific_linux:samba-glusterfs, p-cpe:/a:fermilab:scientific_linux:samba-swat, p-cpe:/a:fermilab:scientific_linux:samba-winbind, p-cpe:/a:fermilab:scientific_linux:samba-winbind-clients, p-cpe:/a:fermilab:scientific_linux:samba-winbind-devel, p-cpe:/a:fermilab:scientific_linux:samba-winbind-krb5-locator, x-cpe:/o:fermilab:scientific_linux

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

Patch Publication Date: 3/21/2017

Vulnerability Publication Date: 5/11/2017

Reference Information

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