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

    [0.3.15-1]
    - Rebase to 0.3.15
    - Fix CVE-2020-24330 CVE-2020-24331 CVE-2020-24332     resolves: rhbz#1725782 rhbz#1877517 rhbz#1882402 rhbz#1882414

Tenable has extracted the preceding description block directly from the Oracle 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.

According to the versions of the trousers package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - 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-2020-24330)

  - 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-2020-24331)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the trousers packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - 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.(CVE-2020-24332)

  - 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-2020-24330)

  - 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-2020-24331)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2022:2798-1 advisory.

    - CVE-2020-24330: Fixed a potential tss user to root privilege       escalation issue (bsc#1164472).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

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

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.

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

  - 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-2020-24330)

  - 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-2020-24331)

  - 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. (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.

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2022:0091 advisory.

    Package updates are available for TencentOS Server 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 Tencent 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.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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-2020-24330)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	名前	製品	ファミリー	公開日	更新日	深刻度
149966	Oracle Linux 8 : trousers (ELSA-2021-1627)	Nessus	Oracle Linux Local Security Checks	2021/5/26	2024/10/22	high
147079	EulerOS Virtualization 3.0.6.6 : trousers (EulerOS-SA-2021-1522)	Nessus	Huawei Local Security Checks	2021/3/4	2024/1/16	high
147085	EulerOS Virtualization for ARM 64 3.0.6.0 : trousers (EulerOS-SA-2021-1563)	Nessus	Huawei Local Security Checks	2021/3/4	2024/1/16	high
164096	SUSE SLES15 Security Update : trousers (SUSE-SU-2022:2798-1)	Nessus	SuSE Local Security Checks	2022/8/13	2026/6/25	high
139716	FreeBSD : security/trousers -- several vulnerabilities (e37a0a7b-e1a7-11ea-9538-0c9d925bbbc0)	Nessus	FreeBSD Local Security Checks	2020/8/20	2024/2/23	high
157583	AlmaLinux 8 : trousers (ALSA-2021:1627)	Nessus	Alma Linux Local Security Checks	2022/2/9	2023/11/10	high
238971	TencentOS Server 3: trousers (TSSA-2022:0091)	Nessus	Tencent Local Security Checks	2025/6/16	2025/11/20	high
229892	Linux Distros Unpatched Vulnerability : CVE-2020-24330	Nessus	Misc.	2025/3/5	2026/9/2	high

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