Oracle Linux 7 : samba (ELSA-2021-5192)

high Nessus Plugin ID 156156

Synopsis

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

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-5192 advisory.

- samba: SMB1 client connections can be downgraded to plaintext authentication (CVE-2016-2124)

- samba: Active Directory (AD) domain user could become root on domain members (CVE-2020-25717)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2021-5192.html

Plugin Details

Severity: High

ID: 156156

File Name: oraclelinux_ELSA-2021-5192.nasl

Version: 1.3

Type: local

Agent: unix

Published: 12/17/2021

Updated: 2/28/2022

Supported Sensors: Frictionless Assessment Agent, Nessus Agent

Risk Information

VPR

Risk Factor: Medium

Score: 6

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

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

CVSS Score Source: CVE-2020-25717

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:ctdb, p-cpe:/a:oracle:linux:ctdb-tests, p-cpe:/a:oracle:linux:libsmbclient, p-cpe:/a:oracle:linux:libsmbclient-devel, p-cpe:/a:oracle:linux:libwbclient, p-cpe:/a:oracle:linux:libwbclient-devel, p-cpe:/a:oracle:linux:samba, p-cpe:/a:oracle:linux:samba-client, p-cpe:/a:oracle:linux:samba-client-libs, p-cpe:/a:oracle:linux:samba-common, p-cpe:/a:oracle:linux:samba-common-libs, p-cpe:/a:oracle:linux:samba-common-tools, p-cpe:/a:oracle:linux:samba-dc, p-cpe:/a:oracle:linux:samba-dc-libs, p-cpe:/a:oracle:linux:samba-devel, p-cpe:/a:oracle:linux:samba-krb5-printing, p-cpe:/a:oracle:linux:samba-libs, p-cpe:/a:oracle:linux:samba-pidl, p-cpe:/a:oracle:linux:samba-python, p-cpe:/a:oracle:linux:samba-python-test, p-cpe:/a:oracle:linux:samba-test, p-cpe:/a:oracle:linux:samba-test-libs, p-cpe:/a:oracle:linux:samba-vfs-glusterfs, p-cpe:/a:oracle:linux:samba-winbind, p-cpe:/a:oracle:linux:samba-winbind-clients, p-cpe:/a:oracle:linux:samba-winbind-krb5-locator, p-cpe:/a:oracle:linux:samba-winbind-modules

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/17/2021

Vulnerability Publication Date: 11/9/2021

Reference Information

CVE: CVE-2016-2124, CVE-2020-25717