Detections
Analytics

FreeBSD : samba -- negative idmap cache entries vulnerability (6f33d38b-aa18-11eb-b3f1-005056a311d1)

medium Nessus Plugin ID 149231

Synopsis

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

Description

The Samba Team reports :

- CVE-2021-20254: Negative idmap cache entries can cause incorrect group entries in the Samba file server process token.

Solution

Update the affected packages.

See Also

https://www.samba.org/samba/security/CVE-2021-20254.html

http://www.nessus.org/u?28b52d61

Plugin Details

Severity: Medium

ID: 149231

File Name: freebsd_pkg_6f33d38baa1811ebb3f1005056a311d1.nasl

Version: 1.7

Type: local

Published: 5/3/2021

Updated: 1/26/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2021-20254

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:L/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:samba412, p-cpe:/a:freebsd:freebsd:samba413, p-cpe:/a:freebsd:freebsd:samba414, 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: 5/1/2021

Vulnerability Publication Date: 4/29/2021

Reference Information

CVE: CVE-2021-20254

IAVA: 2021-A-0208-S