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

  - socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as     Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causing a     denial of service or disruption of the target process. (CVE-2023-24626)

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 Ubuntu 16.04 ESM / 18.04 ESM host has a package installed that is affected by a vulnerability as referenced in the USN-6198-1 advisory.

    It was discovered that GNU Screen was not properly checking user identifiers before sending certain     signals to target processes. If GNU Screen was installed as setuid or setgid, a local attacker could     possibly use this issue to cause a denial of service on a target application.

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

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

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

  - socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as     Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causing a     denial of service or disruption of the target process. (CVE-2023-24626)

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 version of screen installed on the remote host is prior to 4.1.0-0.27.20120314git3c2946. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2023 advisory.

    socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as     Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causing a     denial of service or disruption of the target process. (CVE-2023-24626)

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

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

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2023-224 advisory.

    socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as     Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causing a     denial of service or disruption of the target process. (CVE-2023-24626)

Tenable has extracted the preceding description block directly from the tested product 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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as     Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causing a     denial of service or disruption of the target process. (CVE-2023-24626)

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

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2025:0121 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2023-24626:
    socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as     Arch Linux and FreeBSD), allows local users to send a privileged SIGHUP signal to any PID, causing a     denial of service or disruption of the target process.

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

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

ID	Name	Product	Family	Published	Updated	Severity
178080	EulerOS 2.0 SP9 : screen (EulerOS-SA-2023-2342)	Nessus	Huawei Local Security Checks	7/9/2023	7/9/2023	medium
177900	Ubuntu 16.04 ESM / 18.04 ESM : GNU Screen vulnerability (USN-6198-1)	Nessus	Ubuntu Local Security Checks	7/3/2023	8/27/2024	medium
178083	EulerOS 2.0 SP9 : screen (EulerOS-SA-2023-2322)	Nessus	Huawei Local Security Checks	7/9/2023	7/9/2023	medium
188651	EulerOS 2.0 SP8 : screen (EulerOS-SA-2023-3159)	Nessus	Huawei Local Security Checks	1/16/2024	1/16/2024	medium
188680	EulerOS 2.0 SP11 : screen (EulerOS-SA-2023-2709)	Nessus	Huawei Local Security Checks	1/16/2024	1/16/2024	medium
188421	EulerOS 2.0 SP11 : screen (EulerOS-SA-2023-2667)	Nessus	Huawei Local Security Checks	1/16/2024	1/16/2024	medium
188561	EulerOS Virtualization 3.0.6.0 : screen (EulerOS-SA-2023-3455)	Nessus	Huawei Local Security Checks	1/16/2024	1/16/2024	medium
175016	Amazon Linux 2 : screen (ALAS-2023-2023)	Nessus	Amazon Linux Local Security Checks	5/2/2023	12/11/2024	medium
177695	Amazon Linux 2023 : screen (ALAS2023-2023-224)	Nessus	Amazon Linux Local Security Checks	6/28/2023	12/11/2024	medium
178353	EulerOS 2.0 SP10 : screen (EulerOS-SA-2023-2393)	Nessus	Huawei Local Security Checks	7/18/2023	7/18/2023	medium
178383	EulerOS 2.0 SP10 : screen (EulerOS-SA-2023-2367)	Nessus	Huawei Local Security Checks	7/18/2023	7/18/2023	medium
226173	Linux Distros Unpatched Vulnerability : CVE-2023-24626	Nessus	Misc.	3/5/2025	9/2/2025	medium
238945	TencentOS Server 4: screen (TSSA-2025:0121)	Nessus	Tencent Local Security Checks	6/16/2025	12/4/2025	medium

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