Scientific Linux Security Update : samba on SL7.x x86_64 (20170522)

medium Nessus Plugin ID 100350
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VPR Score: 6.7

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)

- A race condition was found in samba server. A malicious samba client could use this flaw to access files and directories, in areas of the server file system not exported under the share definitions. (CVE-2017-2619)

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?eaab5434

Plugin Details

Severity: Medium

ID: 100350

File Name: sl_20170522_samba_on_SL7_x.nasl

Version: 3.12

Type: local

Agent: unix

Published: 5/23/2017

Updated: 1/14/2021

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: Medium

VPR Score: 6.7

CVSS v2.0

Base Score: 6

Temporal Score: 4.7

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

Temporal Vector: E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:libsmbclient, p-cpe:/a:fermilab:scientific_linux:libsmbclient-devel, p-cpe:/a:fermilab:scientific_linux:libwbclient, p-cpe:/a:fermilab:scientific_linux:libwbclient-devel, p-cpe:/a:fermilab:scientific_linux:samba, p-cpe:/a:fermilab:scientific_linux:samba-client, p-cpe:/a:fermilab:scientific_linux:samba-client-libs, p-cpe:/a:fermilab:scientific_linux:samba-common, p-cpe:/a:fermilab:scientific_linux:samba-common-libs, p-cpe:/a:fermilab:scientific_linux:samba-common-tools, p-cpe:/a:fermilab:scientific_linux:samba-dc, p-cpe:/a:fermilab:scientific_linux:samba-dc-libs, p-cpe:/a:fermilab:scientific_linux:samba-debuginfo, p-cpe:/a:fermilab:scientific_linux:samba-devel, p-cpe:/a:fermilab:scientific_linux:samba-krb5-printing, p-cpe:/a:fermilab:scientific_linux:samba-libs, p-cpe:/a:fermilab:scientific_linux:samba-pidl, p-cpe:/a:fermilab:scientific_linux:samba-python, p-cpe:/a:fermilab:scientific_linux:samba-test, p-cpe:/a:fermilab:scientific_linux:samba-test-libs, p-cpe:/a:fermilab:scientific_linux:samba-vfs-glusterfs, 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-krb5-locator, p-cpe:/a:fermilab:scientific_linux:samba-winbind-modules, x-cpe:/o:fermilab:scientific_linux

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/22/2017

Vulnerability Publication Date: 5/11/2017

Reference Information

CVE: CVE-2016-2125, CVE-2016-2126, CVE-2017-2619