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Debian DLA-776-1 : samba security update

medium Nessus Plugin ID 96192

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Synopsis

The remote Debian host is missing a security update.

Description

Simo Sorce of Red Hat discovered that the Samba client code always requests a forwardable ticket when using Kerberos authentication. A target server, which must be in the current or trusted domain/realm, is given a valid general purpose Kerberos 'Ticket Granting Ticket' (TGT), which can be used to fully impersonate the authenticated user or service.

For Debian 7 'Wheezy', these problems have been fixed in version 2:3.6.6-6+deb7u11.

We recommend that you upgrade your samba packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2017/01/msg00004.html

https://packages.debian.org/source/wheezy/samba

Plugin Details

Severity: Medium

ID: 96192

File Name: debian_DLA-776.nasl

Version: 3.8

Type: local

Agent: unix

Published: 1/3/2017

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.4

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libnss-winbind, p-cpe:/a:debian:debian_linux:libpam-smbpass, p-cpe:/a:debian:debian_linux:libpam-winbind, p-cpe:/a:debian:debian_linux:libsmbclient, p-cpe:/a:debian:debian_linux:libsmbclient-dev, p-cpe:/a:debian:debian_linux:libwbclient-dev, p-cpe:/a:debian:debian_linux:libwbclient0, p-cpe:/a:debian:debian_linux:samba, p-cpe:/a:debian:debian_linux:samba-common, p-cpe:/a:debian:debian_linux:samba-common-bin, p-cpe:/a:debian:debian_linux:samba-dbg, p-cpe:/a:debian:debian_linux:samba-doc, p-cpe:/a:debian:debian_linux:samba-doc-pdf, p-cpe:/a:debian:debian_linux:samba-tools, p-cpe:/a:debian:debian_linux:smbclient, p-cpe:/a:debian:debian_linux:swat, p-cpe:/a:debian:debian_linux:winbind, cpe:/o:debian:debian_linux:7.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 1/2/2017

Vulnerability Publication Date: 10/31/2018

Reference Information

CVE: CVE-2016-2125