Cisco Issues Patches For 2 High-Severity IOS XR Flaws Under Active Attacks

Cisco yesterday released security patches for two high-severity vulnerabilities affecting its IOS XR software that were found exploited in the wild a month ago. Tracked as CVE-2020-3566 and CVE-2020-3569, details for both zero-day unauthenticated DoS vulnerabilities were made public by Cisco late...

The Linux kernel when using IPv6 allows remote attackers to determine whether a host is sniffing the network by sending an ICMPv6 Echo Request to a multicast address and determining whether an Echo Reply is sent as demonstrated by thcping.

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CVE-2020-3359

A vulnerability in the multicast DNS mDNS feature of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability is due to improper validation of mDNS packets. An attacker...

CVE-2020-3359 Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Multicast DNS Denial of Service Vulnerability

A vulnerability in the multicast DNS mDNS feature of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability is due to improper validation of mDNS packets. An attacker...

CVE-2020-3359 Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers Multicast DNS Denial of Service Vulnerability

A vulnerability in the multicast DNS mDNS feature of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability is due to improper validation of mDNS packets. An attacker...

PT-2020-4181 · Cisco · Cisco Ios Xe

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers affected versions not specified Cisco IOS XE Software for Cisco Catalyst 9000 Series affected versions not specified Description: The issue is related to insufficient...

CVE-2020-3569

Multiple vulnerabilities in the Distance Vector Multicast Routing Protocol DVMRP feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to either immediately crash the Internet Group Management Protocol IGMP process or make it consume available memory and eventually cras...

atftpd assert Resource Release DoS

The vulnerability of the assert function in the atftpd server is related to resource release errors. Exploiting this vulnerability could allow a malicious actor, operating remotely, to cause service failures through a specially crafted sequence of RRQ-Multicast requests...

Huawei Data Communication: Read current-configuration configuration section include multicast routing-enable

Get the sections with multicast routing-enable of the VRP device. Note: This script only stores information for other Policy Controls. SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

Huawei Data Communication: Read current-configuration configuration section include multicast routing-enable

Get the sections with multicast routing-enable of the VRP device. Note: This script only stores information for other Policy Controls. SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

CVE-2020-6097

An exploitable denial of service vulnerability exists in the atftpd daemon functionality of atftp 0.7.git20120829-3.1+b1. A specially crafted sequence of RRQ-Multicast requests trigger an assert call resulting in denial-of-service. An attacker can send a sequence of malicious packets to trigger...

DEBIAN-CVE-2020-6097

An exploitable denial of service vulnerability exists in the atftpd daemon functionality of atftp 0.7.git20120829-3.1+b1. A specially crafted sequence of RRQ-Multicast requests trigger an assert call resulting in denial-of-service. An attacker can send a sequence of malicious packets to trigger...

UBUNTU-CVE-2020-6097

An exploitable denial of service vulnerability exists in the atftpd daemon functionality of atftp 0.7.git20120829-3.1+b1. A specially crafted sequence of RRQ-Multicast requests trigger an assert call resulting in denial-of-service. An attacker can send a sequence of malicious packets to trigger...

CVE-2020-6097

An exploitable denial of service vulnerability exists in the atftpd daemon functionality of atftp 0.7.git20120829-3.1+b1. A specially crafted sequence of RRQ-Multicast requests trigger an assert call resulting in denial-of-service. An attacker can send a sequence of malicious packets to trigger...

CVE-2020-6097

An exploitable denial of service vulnerability exists in the atftpd daemon functionality of atftp 0.7.git20120829-3.1+b1. A specially crafted sequence of RRQ-Multicast requests trigger an assert call resulting in denial-of-service. An attacker can send a sequence of malicious packets to trigger...

CVE-2020-6097: Reachable Assertion

An exploitable denial of service vulnerability exists in the atftpd daemon functionality of atftp 0.7.git20120829-3.1+b1. A specially crafted sequence of RRQ-Multicast requests trigger an assert call resulting in denial-of-service. An attacker can send a sequence of malicious packets to trigger...

PT-2020-3967

Name of the Vulnerable Software and Affected Versions: atftp version 0.7.git20120829-3.1+b1 Description: The issue is related to a denial of service vulnerability in the atftpd daemon functionality. It can be exploited by a remote attacker using a specially crafted sequence of RRQ-Multicast...

Cisco NX-OS PIM DoS

The vulnerability of the Cisco NX-OS network operating system’s Protocol Independent Multicast PIM implementation is related to resource release errors. Exploiting this vulnerability could allow a malicious actor to cause service failures remotely...

Cisco IOS XR DVMRP DoS

The vulnerability of the Distance Vector Multicast Routing Protocol DVMRP implementation in the Cisco IOS XR operating system is related to uncontrolled resource consumption. Exploiting this vulnerability could allow a malicious actor to cause service failures...

Cisco IOS XR DVMRP DoS

The vulnerability of the Distance Vector Multicast Routing Protocol DVMRP implementation in the Cisco IOS XR operating system is related to uncontrolled resource consumption. Exploiting this vulnerability could allow a malicious actor to cause service failures...