Erlang/OTP (Erlang OTP) MITM Vulnerability (May 2025) - Linux

Erlang/OTP Erlang OTP is prone to a man-in-the-middle MITM vulnerability in the SSH component. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only...

Erlang/OTP (Erlang OTP) MITM Vulnerability (May 2025) - Windows

Erlang/OTP Erlang OTP is prone to a man-in-the-middle MITM vulnerability in the SSH component. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only...

PostgreSQL DoS Vulnerability (Feb 2025) - Linux

PostgreSQL is prone to a denial of service DoS vulnerability due to a buffer over-read. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

PostgreSQL DoS Vulnerability (Feb 2025) - Windows

PostgreSQL is prone to a denial of service DoS vulnerability due to a buffer over-read. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Debian: Security Advisory (DSA-5916-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Debian: Security Advisory (DLA-4154-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Slackware: Security Advisory (SSA:2025-127-01)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-7501-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-7489-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-7500-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-7501-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-7496-3)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-7496-5)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-7496-4)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-7499-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-7494-4)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-7490-3)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-7502-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-7500-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-7494-5)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-7495-3)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Django 4.x < 4.2.21, 5.0.x < 5.1.9, 5.2.x < 5.2.1 DoS Vulnerability - Linux

Django is prone to a denial of service DoS vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:djangoproject:django"; ...

Django 4.x < 4.2.21, 5.0.x < 5.1.9, 5.2.x < 5.2.1 DoS Vulnerability - Windows

Django is prone to a denial of service DoS vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:djangoproject:django"; ...

LibreOffice Improper Validation of Array Index vulnerability (May 2025) - Linux

LibreOffice is prone to an improper validation of array index vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

LibreOffice Improper Access Control vulnerability (May 2025) - Linux

LibreOffice is prone to an improper access control vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

LibreOffice Improper Access Control vulnerability (May 2025) - Windows

LibreOffice is prone to an improper access control vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

LibreOffice Improper Access Control vulnerability (May 2025) - Mac OS X

LibreOffice is prone to an improper access control vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

LibreOffice Improper Validation of Array Index vulnerability (May 2025) - Mac OS X

LibreOffice is prone to an improper validation of array index vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

LibreOffice Improper Validation of Array Index vulnerability (May 2025) - Windows

LibreOffice is prone to an improper validation of array index vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Do Not Allow Login with an Empty Password

Login with an empty password means that a user can log in to a system without a password. If an empty password is allowed for login, the user with an empty password may be attacked or may be used by attackers. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted fro...

Do Not Allow Hidden Executable Files

In Linux, the name of a hidden file starts with a dot .. Hidden executable files are not allowed in the system. Note that . and . are not hidden files. They refer to the current directory and upper-level directory, respectively. The .bashrc, .bashprofile, and .bashlogout files are script files us...

Configure the Banner Path Correctly

The banner path points to a file which contains the prompt information displayed on the client before a user logs in to the SSH. The content in the file can be configured based on the actual service scenario. If the banner path is not set, no information is displayed by default...

Do Not Allow Globally Writable Files

Globally writable files can be written by any user in the system, which is generally not needed. If a file is improperly set to globally writable, the file can be easily tampered with by attackers, causing security risks. Therefore, if a file is required to be globally writable, the actual scenar...

Do Not Allow Empty Links

Empty links are redundant files and waste system resources. In addition, if a file is installed or created at the target location of an empty link, the file can be accessed through the link, leading to possible information leakage or tampering. If the file to which the link points has been delete...

Do Not Enable the DNS Service

The Domain Name System DNS is a hierarchical naming system that maps names to IP addresses of computers, services, and other network resources. Unless a system is the designated DNS server, you are advised to disable its DNS service to reduce the attack surface. SPDX-FileCopyrightText: 2025...

Configure TIME_WAIT for TCP

TIMEWAIT indicates the time for TCP to wait for connection destruction. If this parameter is set to a large value, a large number of TCP connections are not closed and DoS attacks occur. You are advised to set this parameter to a value less than or equal to 60. SPDX-FileCopyrightText: 2025...

Do Not Enable the RPC Service

The rpcbind service maps remote procedure call RPC services to the ports on which they listen. RPC processes notify rpcbind when they start and register the ports they are listening on and the RPC program numbers they expect to serve. The client system then contacts rpcbind on the server using a...

Do Not Enable the DHCP Service

The Dynamic Host Configuration Protocol DHCP service provides dynamic allocation of IP addresses to machines. Unless a system is the designated DHCP server, you are advised to disable its DHCP service to reduce the attack surface. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions...

Configure Kernel Parameter kptr_restrict Properly

kptrrestrict is used to protect kernel symbol addresses. When the protection level is low, common users can obtain kernel symbol addresses, which are easy to be exploited by attackers. This increases the attack surface and reduces system security. Currently, kptrrestrict can be set to any of the...

Configure Dumping journald Logs for rsyslog

The system uses journald to collect logs. Logs may be stored on volatile or persistent storage devices. As a result, logs may be lost or the drive space may be used up. In this case, logs need to be dumped in a timely manner to ensure the security of logs and the system. SPDX-FileCopyrightText:...

Do Not Enable the NFS Service

The Network File System NFS is one of the earliest and most widely used file systems in UNIX environments. It allows a system to mount file systems of other servers over the network. If the system does not share content through NFS, you are advised to disable NFS to reduce the remote attack...

Do Not Install the rsync Service

The rsync service can synchronize data between servers or between local drive partitions. However, information leakage risks exist because rsync uses non-encrypted transmission protocols. If the rsync service is enabled and data is transmitted between servers over the network, attackers can...

Do Not Allow Files or Directories Without Owners or Owner Groups

Files or directories without owners or owner groups are not allowed in the system. Generally, these files or directories refer to those whose previous owners are deleted. These files are security risks and may cause information leakage, occupy unnecessary drive space and system resources, and...

Avoid Using USB Storage

USB storage devices are usually used to transfer data between servers. However, in most cases, data on USB storage devices cannot be protected by technical methods, thereby increasing the risk of attacks. Viruses and Trojan horses on USB devices may infect and damage the server. If the USB storag...

Do Not Install the FTP Client

File Transfer Protocol FTP is used for file transfer between a Linux server and other servers, desktop systems, as well as terminal devices. FTP does not support encrypted transmission. As a result, data can be easily stolen by attackers during transmission. Therefore, do not install FTP clients ...

Disable SysRq

SysRq enables users with physical access to access dangerous system-level commands in a computer. Therefore, it is advised to restrict the usage of the SysRq function. If SysRq is not disabled, you can use the keyboard to trigger SysRq. As a result, commands may be directly sent to the kernel,...

Enable Kernel ASLR

Address-space layout randomization ASLR randomly arranges the positions of the stack, function libraries, and programs to slightly different positions each time. As a result, the correct positions cannot be guessed, and buffer overflow attacks fail. In the Linux kernel, ASLR is classified into...

Do Not Install the TFTP Client

Trivial File Transfer Protocol TFTP is used for file transfer between a Linux server and other servers, desktop systems, as well as terminal devices. TFTP does not support authentication and encryption mechanisms. Data tends to be forged, tampered with, or stolen by attackers during communication...

Configure a Proper SSH Service Authentication Mode

A proper authentication mode helps ensure user and system data security. Typically, the user/password authentication mode is suitable for human-machine users. In non-interactive login scenarios, the public and private keys are suitable for authentication. In high-risk scenarios, only the public a...

SUSE: Security Advisory (SUSE-SU-2025:1452-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...