FreeBSD : samba -- multiple vulnerabilities (793a0072-7822-11e9-81e2-005056a311d1)

high Nessus Plugin ID 125278

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Synopsis

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

Description

The samba project reports :

The checksum validation in the S4U2Self handler in the embedded Heimdal KDC did not first confirm that the checksum was keyed, allowing replacement of the requested target (client) principal

Authenticated users with write permission can trigger a symlink traversal to write or detect files outside the Samba share.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 125278

File Name: freebsd_pkg_793a0072782211e981e2005056a311d1.nasl

Version: 1.5

Type: local

Family: FreeBSD Local Security Checks

Published: 5/20/2019

Updated: 1/15/2020

Supported Sensors: 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 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:freebsd:freebsd:samba410, p-cpe:/a:freebsd:freebsd:samba46, p-cpe:/a:freebsd:freebsd:samba47, p-cpe:/a:freebsd:freebsd:samba48, p-cpe:/a:freebsd:freebsd:samba49, 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: 5/14/2019

Vulnerability Publication Date: 5/14/2019

Reference Information

CVE: CVE-2018-16860, CVE-2019-3880

Detections

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