New: Livewatch notifications are now also available via WhatsApp!

In recent months, several critical security vulnerabilities have been discovered in server systems that can potentially have serious consequences for IT security. Some of the most significant vulnerabilities are presented below:

1. CVE-2024-37079: Security vulnerability in VMware vCenter Server

In June 2024, a critical vulnerability was identified in VMware vCenter Server. This vulnerability allows attackers to execute arbitrary code using manipulated packages, leading to a heap buffer overflow and endangering services. VMware has already released a patch that should be installed urgently.

security-insider.de

2. CVE-2024-49113: LDAPNightmare in Windows servers

A recently discovered vulnerability in the Windows Lightweight Directory Access Protocol (LDAP) implementation, known as CVE-2024-49113, allows attackers to cause a denial-of-service (DoS) condition by crashing the Local Security Authority Subsystem Service (LSASS). Microsoft fixed this vulnerability in December 2024.

it-boltwise.de

3. CVE-2024-20697: Vulnerability in Windows 11 and Server 2022

A vulnerability in Windows 11 and Windows Server 2022 allows attackers to execute arbitrary code when extracting RAR files. Microsoft fixed this vulnerability in January 2024 and recommends installing the patch and avoiding opening RAR files from unknown sources.

security-insider.de

4. CVE-2024-21410: Critical vulnerabilities in Microsoft Exchange servers

The Federal Office for Information Security (BSI) reported in March 2024 that at least 17,000 instances of Microsoft Exchange servers in Germany are vulnerable to critical vulnerabilities. These gaps are already being actively exploited by cyber criminals. The BSI recommends using current versions of Exchange, installing available security updates and configuring the instances securely.

bsi.bund.de

5. CVE-2024-49112: Zero-day vulnerability in Windows and Windows Server

A zero-day vulnerability in Windows and Windows Server enables denial-of-service attacks because it causes the operating system to crash. Windows 10, Windows 11 and Windows Server 2016, 2019 and 2022 are affected. Microsoft fixed this vulnerability in August 2024.

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SMS, or Short Message Service, is a service for sending short messages between mobile devices. These text messages can contain text of up to a certain length (typically 160 characters per message) and are transmitted over the cellular network. SMS has been a popular form of communication since the early days of mobile telephony and has continued to endure despite the emergence of other messaging platforms.

Basic features of SMS:

1. Text-based: SMS messages are purely text-based and can contain letters, numbers, special characters and emojis. However, unlike multimedia messages (MMS), they do not support media such as images or videos.

2. Universal Compatibility: SMS is almost universally compatible and can be sent between different mobile devices and network operators. This makes SMS a widely used form of communication.

3. Instant Delivery: SMS messages are typically delivered in real time, meaning they appear on the target device almost immediately after they are sent.

4. Limited Length: The length of SMS is limited, usually to 160 characters per message. If a message exceeds this limit, it will be split into multiple messages.

5. Delivery Reports: Many mobile operators offer delivery reports that show the sender whether the SMS was successfully delivered.

Use of SMS:

1. Personal Communication: SMS is often used for personal communication between individuals. It's an easy and quick way to send messages when a call might be inconvenient.

2. Corporate Communication: Companies use SMS for notifications, reminders, confirmations and other forms of customer communication.

3. Two-Factor Authentication (2FA): SMS is often used to deliver one-time passwords and codes as part of two-factor authentication.

4. Alarms and Notifications: SMS can be used for alarms, alerts and notifications in various applications and systems.

5. Mobile Marketing: Businesses also use SMS for marketing purposes to send offers, promotions or information to customers.

Future of SMS:

Although alternative messaging services such as WhatsApp and iMessage have gained popularity, SMS remains relevant due to its widespread compatibility and ease of use. RCS (Rich Communication Services) is also being introduced in some regions as a more advanced SMS successor that supports multimedia elements and advanced features.