Detections
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Alibaba Cloud Linux 3 : 0091: trousers (ALINUX3-SA-2022:0091)
high Nessus Plugin ID 236526
Synopsis
The remote Alibaba Cloud Linux host is missing one or more security updates.Description
The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2022:0091 advisory.Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:
CVE-2020-24330:
An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges instead of by the tss user, it fails to drop the root gid privilege when no longer needed.
CVE-2020-24331:
An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges, the tss user still has read and write access to the /etc/tcsd.conf file (which contains various settings related to this daemon).
CVE-2020-24332:
An issue was discovered in TrouSerS through 0.3.14. If the tcsd daemon is started with root privileges, the creation of the system.data file is prone to symlink attacks. The tss user can be used to create or corrupt existing files, which could possibly lead to a DoS attack.
Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
http://mirrors.aliyun.com/alinux/3/cve/alinux3-sa-20220091.xml
Plugin Details
Severity: High
ID: 236526
File Name: alinux3_sa_2022-0091.nasl
Version: 1.1
Type: local
Published: 5/14/2025
Updated: 5/14/2025
Supported Sensors: 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: p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:trousers-lib, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:trousers, cpe:/o:alibabacloud:alibaba_cloud_linux_3, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:trousers-devel, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:trousers-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:trousers-static, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:trousers-lib-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:trousers-debugsource
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/Alibaba/release, Host/Alibaba/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 5/27/2021
Vulnerability Publication Date: 8/13/2020