FreeBSD : samba -- combination of parameters and permissions can allow user to escape from the share path definition (145a3e17-cea2-11e9-81e2-005056a311d1)

critical Nessus Plugin ID 128492

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

The samba project reports :

On a Samba SMB server for all versions of Samba from 4.9.0 clients are able to escape outside the share root directory if certain configuration parameters set in the smb.conf file.

Solution

Update the affected package.

See Also

https://www.samba.org/samba/security/CVE-2019-10197.html

http://www.nessus.org/u?ead9149d

Plugin Details

Severity: Critical

ID: 128492

File Name: freebsd_pkg_145a3e17cea211e981e2005056a311d1.nasl

Version: 1.5

Type: local

Published: 9/4/2019

Updated: 12/31/2019

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:samba410, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 9/3/2019

Vulnerability Publication Date: 9/1/2019

Reference Information

CVE: CVE-2019-10197