FreeBSD : samba -- symlink race allows access outside share definition (2826317b-10ec-11e7-944e-000c292e4fd8)

medium Nessus Plugin ID 97972

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VPR Score: 6.7

Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

Samba team reports :

A time-of-check, time-of-use race condition can allow clients to access non-exported parts of the file system via symlinks.

Solution

Update the affected packages.

See Also

https://www.samba.org/samba/security/CVE-2017-2619.html

http://www.nessus.org/u?b0eb7bc8

Plugin Details

Severity: Medium

ID: 97972

File Name: freebsd_pkg_2826317b10ec11e7944e000c292e4fd8.nasl

Version: 3.9

Type: local

Published: 3/27/2017

Updated: 1/4/2021

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:freebsd:freebsd:samba36, p-cpe:/a:freebsd:freebsd:samba4, p-cpe:/a:freebsd:freebsd:samba41, p-cpe:/a:freebsd:freebsd:samba42, p-cpe:/a:freebsd:freebsd:samba43, p-cpe:/a:freebsd:freebsd:samba44, p-cpe:/a:freebsd:freebsd:samba45, p-cpe:/a:freebsd:freebsd:samba46, cpe:/o:freebsd:freebsd

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/24/2017

Vulnerability Publication Date: 3/23/2017

Reference Information

CVE: CVE-2017-2619