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Debian DLA-1788-1 : samba security update

high Nessus Plugin ID 125174

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Synopsis

The remote Debian host is missing a security update.

Description

Isaac Boukris and Andrew Bartlett discovered that the S4U2Self Kerberos extension used in Samba's Active Directory support was susceptible to man-in-the-middle attacks caused by incomplete checksum validation.

For Debian 8 'Jessie', this problem has been fixed in version 2:4.2.14+dfsg-0+deb8u13.

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/2019/05/msg00016.html

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

Plugin Details

Severity: High

ID: 125174

File Name: debian_DLA-1788.nasl

Version: 1.8

Type: local

Agent: unix

Published: 5/16/2019

Updated: 5/22/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

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

CVSS Score Source: CVE-2018-16860

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libpam-winbind, p-cpe:/a:debian:debian_linux:libparse-pidl-perl, p-cpe:/a:debian:debian_linux:python-samba, p-cpe:/a:debian:debian_linux:samba-dsdb-modules, p-cpe:/a:debian:debian_linux:smbclient, p-cpe:/a:debian:debian_linux:winbind, p-cpe:/a:debian:debian_linux:libsmbclient, p-cpe:/a:debian:debian_linux:libsmbsharemodes0, p-cpe:/a:debian:debian_linux:libsmbsharemodes-dev, p-cpe:/a:debian:debian_linux:samba-dev, p-cpe:/a:debian:debian_linux:samba-libs, p-cpe:/a:debian:debian_linux:samba-dbg, p-cpe:/a:debian:debian_linux:samba, p-cpe:/a:debian:debian_linux:registry-tools, p-cpe:/a:debian:debian_linux:samba-doc, p-cpe:/a:debian:debian_linux:samba-common-bin, p-cpe:/a:debian:debian_linux:libwbclient-dev, p-cpe:/a:debian:debian_linux:samba-vfs-modules, p-cpe:/a:debian:debian_linux:samba-testsuite, p-cpe:/a:debian:debian_linux:libpam-smbpass, p-cpe:/a:debian:debian_linux:libwbclient0, p-cpe:/a:debian:debian_linux:libsmbclient-dev, p-cpe:/a:debian:debian_linux:libnss-winbind, cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:samba-common

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/15/2019

Vulnerability Publication Date: 7/31/2019

Reference Information

CVE: CVE-2018-16860