CVE-2021-22743

Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TCM 4351B installed on Tricon V11.3.x systems that could cause module reset when TCM receives malformed TriStation packets while the write-protect keyswitch is in the program position...

CVE-2021-22742

Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex Model 3009 MP installed on Tricon V11.3.x systems that could cause module reset when TCM receives malformed TriStation packets while the write-protect keyswitch is in the program position...

CVE-2021-22742

The CVE pertains to Triconex Model 3009 MP on Tricon V11.3.x systems, where an improper check for unusual or exceptional conditions allows a module reset when TCM receives malformed TriStation packets while the write-protect keyswitch is in the program position. The Red Hat entries confirm this C...

Zephyr 安全漏洞

Zephyr is an open source, small, scalable real-time operating system from the Linux Foundation. Zephyr suffers from a security vulnerability that results from unchecked packets from Bluetooth. No details of the vulnerability are provided at this time...

UBUNTU-CVE-2021-23017

A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact...

F5 NGINX Controller 安全漏洞

F5 NGINX Controller is a centralized monitoring and management platform for NGINX from F5. The platform supports the management of multiple NGINX instances using a visual interface. A security vulnerability exists in F5 NGINX Controller that allows an attacker to forge UDP packets from a DNS serv...

NGINX -- 1-byte memory overwrite in resolver

NGINX team reports: 1-byte memory overwrite might occur during DNS server response processing if the "resolver" directive was used, allowing an attacker who is able to forge UDP packets from the DNS server to cause worker process crash or, potentially, arbitrary code execution...

Potential memory exposure in dns-packet

This affects the package dns-packet before versions 1.3.2 and 5.2.2. It creates buffers with allocUnsafe and does not always fill them before forming network packets. This can expose internal application memory over unencrypted network when querying crafted invalid domain names...

CVE-2021-23386

Remote memory exposure vulnerability was found in nodejs dns-packet library. The buffers created with allocUnsafe are not always filled before forming the network packets and an attacker can use this vulnerability to potentially get access to internal application memory over non encrypted network...

CVE-2021-21000

On WAGO PFC200 devices in different firmware versions with special crafted packets an attacker with network access to the device could cause a denial of service for the login service of the runtime...

CVE-2021-21001

On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges...

Design/Logic Flaw

On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges...

The vulnerability of the communication standards for IEEE 802.11 operating systems on Windows allows a intruder to inject arbitrary network packets.

The vulnerability of the IEEE 802.11 communication standard for Windows operating systems is related to deficiencies in authentication procedures. Exploiting this vulnerability allows a malicious actor to inject arbitrary network packets remotely...

lldp/openvswitch: denial of service via externally triggered memory leak

A flaw was found in multiple versions of Open vSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability...

CVE-2021-23386

This affects the package dns-packet before 5.2.2. It creates buffers with allocUnsafe and does not always fill them before forming network packets. This can expose internal application memory over unencrypted network when querying crafted invalid domain names...

Denial Of Service (DoS)

unbound is vulnerable to denial of service. The vulnerability exists due to an assertion failure. in synthcname. An attacker is able to crash the system by sending invalid packets to the server...

CVE-2021-21000

On WAGO PFC200 devices in different firmware versions with special crafted packets an attacker with network access to the device could cause a denial of service for the login service of the runtime...

Fedora: Security Advisory for python-impacket (FEDORA-2021-888ccfd5b6)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free software; you can...

Fedora: Security Advisory for python-impacket (FEDORA-2021-52dfb60726)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free software; you can...

CVE-2021-20589

Buffer access with incorrect length value vulnerability in GOT2000 series GT27 model communication driver versions 01.19.000 through 01.38.000, GT25 model communication driver versions 01.19.000 through 01.38.000, GT23 model communication driver versions 01.19.000 through 01.38.000 and GT21 model...