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CentOS 8 : trousers (CESA-2021:1627)

high Nessus Plugin ID 149751

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:1627 advisory.

 - trousers: fails to drop the root gid privilege when no longer needed (CVE-2020-24330)

 - trousers: tss user still has read and write access to the /etc/tcsd.conf file if tcsd is started as root (CVE-2020-24331)

 - trousers: tss user can be used to create or corrupt existing files, this could lead to DoS (CVE-2020-24332)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected trousers, trousers-devel and / or trousers-lib packages.

See Also

https://access.redhat.com/errata/RHSA-2021:1627

Plugin Details

Severity: High

ID: 149751

File Name: centos8_RHSA-2021-1627.nasl

Version: 1.4

Type: local

Agent: unix

Published: 5/19/2021

Updated: 12/29/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2020-24331

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:centos:centos:8-stream, p-cpe:/a:centos:centos:trousers-lib, p-cpe:/a:centos:centos:trousers-devel, p-cpe:/a:centos:centos:trousers

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/CentOS/release, Host/CentOS/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/18/2021

Vulnerability Publication Date: 8/13/2020

Reference Information

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

RHSA: 2021:1627