FreeBSD : security/trousers -- several vulnerabilities (e37a0a7b-e1a7-11ea-9538-0c9d925bbbc0)

high Nessus Plugin ID 139716

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Synopsis

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

Description

the TrouSerS project reports reports :

If the tcsd daemon is started with root privileges, it fails to drop the root gid after it is no longer needed.

If the tcsd daemon is started with root privileges, the tss user has read and write access to the /etc/tcsd.conf file.

If the tcsd daemon is started with root privileges, the creation of the system.data file is prone to symlink attacks.

Solution

Update the affected package.

See Also

http://www.nessus.org/u?5d613549

https://www.openwall.com/lists/oss-security/2020/05/20/3

http://www.nessus.org/u?932f21e4

Plugin Details

Severity: High

ID: 139716

File Name: freebsd_pkg_e37a0a7be1a711ea95380c9d925bbbc0.nasl

Version: 1.3

Type: local

Published: 8/20/2020

Updated: 10/9/2020

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

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

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:trousers, 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: 8/18/2020

Vulnerability Publication Date: 5/20/2020

Reference Information

CVE: CVE-2020-24330, CVE-2020-24331, CVE-2020-24332

IAVA: 2020-A-0453