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

Medium Nessus Plugin ID 125278

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.

See Also

https://www.samba.org/samba/security/CVE-2018-16860.html

https://www.samba.org/samba/security/CVE-2019-3880.html

http://www.nessus.org/u?09491989

Plugin Details

Severity: Medium

ID: 125278

File Name: freebsd_pkg_793a0072782211e981e2005056a311d1.nasl

Version: 1.5

Type: local

Published: 2019/05/20

Updated: 2020/01/15

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6

Temporal Score: 4.4

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

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: 2019/05/14

Vulnerability Publication Date: 2019/05/14

Reference Information

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