Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability

Cisco IOS XR Software is an operating system developed by Cisco for its network devices.A memory exhaustion vulnerability exists in Cisco IOS XR Software DVMRP, which can be exploited by attackers to crash IGMP processes or cause memory exhaustion...

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...

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...

Memory corruption

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...

CVE-2020-3569 Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities

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...

CVE-2020-3569

CVE-2020-3569 affects Cisco IOS XR Software DVMRP. The vulnerability stems from incorrect handling of IGMP packets, allowing an unauthenticated remote attacker to either immediately crash the IGMP process or exhaust memory, potentially destabilizing other processes (e.g., routing protocols). Expl...

CVE-2020-3569 Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities

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...

Cisco Warns of Active Exploitation of Flaw in Carrier-Grade Routers

Cisco Systems says hackers are actively exploiting previously unpatched vulnerabilities in its carrier-grade routers that could allow adversaries to crash or severely disrupt devices. The vulnerabilities exist in the Distance Vector Multicast Routing Protocol DVMRP feature of Cisco IOS XR Softwar...

Cisco Issues Warning Over IOS XR Zero-Day Flaw Being Targeted in the Wild

Cisco has warned of an active zero-day vulnerability in its router software that's being exploited in the wild and could allow a remote, authenticated attacker to carry out memory exhaustion attacks on an affected device. "An attacker could exploit these vulnerabilities by sending crafted IGMP...

Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities (cisco-sa-iosxr-dvmrp-memexh-dSmpdvfz)

According to its self-reported configuration, Cisco IOS XR Software is affected by multiple vulnerabilities: - Multiple denial of service DoS vulnerabilities exist in the Distance Vector Multicast Routing Protocol DVMRP feature due to insufficient queue management for Internet Group Management...

CVE-2020-3566

A vulnerability in the Distance Vector Multicast Routing Protocol DVMRP feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory of an affected device. The vulnerability is due to insufficient queue management for Internet Group Management Protoco...

CVE-2020-3566

A vulnerability in the Distance Vector Multicast Routing Protocol DVMRP feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory of an affected device. The vulnerability is due to insufficient queue management for Internet Group Management Protoco...

Design/Logic Flaw

A vulnerability in the Distance Vector Multicast Routing Protocol DVMRP feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory of an affected device. The vulnerability is due to insufficient queue management for Internet Group Management Protoco...

CVE-2020-3566 Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability

A vulnerability in the Distance Vector Multicast Routing Protocol DVMRP feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory of an affected device. The vulnerability is due to insufficient queue management for Internet Group Management Protoco...

CVE-2020-3566

CVE-2020-3566 affects Cisco IOS XR Software, exploiting the DVMRP feature via crafted IGMP traffic to exhaust device memory and disrupt processes. Root cause is insufficient IGMP queue management within DVMRP, potentially impacting interior/exterior routing protocols and causing instability. Mult...

CVE-2020-3566 Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability

A vulnerability in the Distance Vector Multicast Routing Protocol DVMRP feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory of an affected device. The vulnerability is due to insufficient queue management for Internet Group Management Protoco...

Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities

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...

CVE-2020-3569 - Denial of service vulnerability in Cisco IOS XR

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...

CVE-2020-3566 - Denial of service vulnerability in Cisco IOS XR

A vulnerability in the Distance Vector Multicast Routing Protocol DVMRP feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory of an affected device. The vulnerability is due to insufficient queue management for Internet Group Management Protoco...

Cisco NX-OS Software Internet Group Management Protocol Snooping RCE and DoS (cisco-sa-20180620-nxosigmp)

According to its self-reported version, Cisco NX-OS Software is affected by a due to a buffer overflow condition in the IGMP Snooping subsystem. An attacker could exploit this vulnerability by sending crafted IGMP packets to an affected system. An exploit could allow the attacker to execute...