CVE-2021-20322

A flaw in the processing of received ICMP errors ICMP fragment needed and ICMP redirect in the Linux kernel functionality was found to allow the ability to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypass the source port UDP randomization. The highest...

xnu:net_fuzzer: Heap-buffer-overflow in tcp_ctlinput

Detailed Report: https://oss-fuzz.com/testcase?key=5484532464222208 Project: xnu Fuzzing Engine: libFuzzer Fuzz Target: netfuzzer Job Type: libfuzzerasanxnu Platform Id: linux Crash Type: Heap-buffer-overflow READ 4 Crash Address: 0x615000003604 Crash State: tcpctlinput icmpinput ipprotodispatchi...

SD-WAN: ICMP are denied by Firewall to monitor WAN links VIPs

ICMP are denied by Firewall to monitor WAN links VIPs...

StreamDivert - Redirecting (Specific) TCP, UDP And ICMP Traffic To Another Destination

StreamDivert is a tool to man-in-the-middle or relay in and outgoing network connections on a system. It has the ability to, for example, relay all incoming SMB connections to port 445 to another server, or only relay specific incoming SMB connections from a specific set of source IP's to another...

Cisco IOS XE Software Zone Based Policy Firewall ICMP UDP Inspection (cisco-sa-zbfw-pP9jfzwL)

A vulnerability in the Zone-Based Policy Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent the Zone-Based Policy Firewall from correctly classifying traffic. This vulnerability exists because ICMP and UDP responder-to-initiator flows are not...

QueenSono - Golang Binary For Data Exfiltration With ICMP Protocol

QueenSono tool only relies on the fact that ICMP protocol isn't monitored. It is quite common. It could also been used within a system with basic ICMP inspection ie. frequency and content length watcher. Try to imitate PyExfil and others with the idea that the target machine does not necessary ha...

CVE-2021-1625

A vulnerability in the Zone-Based Policy Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent the Zone-Based Policy Firewall from correctly classifying traffic. This vulnerability exists because ICMP and UDP responder-to-initiator flows are not...

CVE-2021-1625 Cisco IOS XE Software Zone-Based Policy Firewall ICMP and UDP Inspection Vulnerability

A vulnerability in the Zone-Based Policy Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent the Zone-Based Policy Firewall from correctly classifying traffic. This vulnerability exists because ICMP and UDP responder-to-initiator flows are not...

CVE-2021-1625: Improper Access Control

A vulnerability in the Zone-Based Policy Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent the Zone-Based Policy Firewall from correctly classifying traffic. This vulnerability exists because ICMP and UDP responder-to-initiator flows are not...

Cisco IOS XE Software Zone-Based Policy Firewall ICMP and UDP Inspection Vulnerability

A vulnerability in the Zone-Based Policy Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent the Zone-Based Policy Firewall from correctly classifying traffic. This vulnerability exists because ICMP and UDP responder-to-initiator flows are not...

CVE-2021-33011

All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an attacker to deny Ethernet communications between affected devices...

Design/Logic Flaw

All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an attacker to deny Ethernet communications between affected devices...

CVE-2021-33011

All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an attacker to deny Ethernet communications between affected devices...

PT-2021-20018

Name of the Vulnerable Software and Affected Versions TOYOPUC-PC10 Series affected versions not specified TOYOPUC-Plus Series affected versions not specified TOYOPUC-PC3J/PC2J Series affected versions not specified TOYOPUC-Nano Series affected versions not specified Description The affected...

CVE-2021-33011: Allocation of Resources Without Limits or Throttling

All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an attacker to deny Ethernet communications between affected devices...

Smurf DDoS attack:❗️ How it works and how to mitigate

Attacks geared at denying users access to servers are executed in different ways. One notable approach — similar in many forms of service denials — is the use of volume. The sheer volume of requests is employed by attackers to render a particular network useless. A good representation of that is...

Cisco Firepower 4110 ICMP Flood Denial of Service Vulnerability Vulnerability (cisco-sa-ftd-icmp-dos-hxxcycM)

According to its self-reported version, Cisco Firepower Threat Defense Software is affected by a vulnerability. Please see the included Cisco BIDs and Cisco Security Advisory for more information. TRUSTED...

ICMP 'Etherleak' Information Disclosure

The remote host is prone to an information disclosure vulnerability over ICMP dubbed SPDX-FileCopyrightText: 2021 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 if...

CVE-2020-35683

An issue was discovered in HCC Nichestack 3.0. The code that parses ICMP packets relies on an unchecked value of the IP payload size extracted from the IP header to compute the ICMP checksum. When the IP payload size is set to be smaller than the size of the IP header, the ICMP checksum computati...

Design/Logic Flaw

An issue was discovered in HCC Nichestack 3.0. The code that parses ICMP packets relies on an unchecked value of the IP payload size extracted from the IP header to compute the ICMP checksum. When the IP payload size is set to be smaller than the size of the IP header, the ICMP checksum computati...