GSD-2022-1002589 ip_gre: test csum_start instead of transport header

ipgre: test csumstart instead of transport header This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.18.4 by commit...

Denial Of Service (DoS)

linux is vulnerable to denial of service. The vulnerability exists in grehandleoffloads of ipgre.c due to improper checks which allows an attacker to cause a buffer overflow that leads to an application crash...

CVE-2021-39633

In grehandleoffloads of ipgre.c, there is a possible page fault due to an invalid memory access. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID:...

DEBIAN-CVE-2021-39633

In grehandleoffloads of ipgre.c, there is a possible page fault due to an invalid memory access. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID:...

UBUNTU-CVE-2021-39633

In grehandleoffloads of ipgre.c, there is a possible page fault due to an invalid memory access. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID:...

ASB-A-150694665

In grehandleoffloads of ipgre.c, there is a possible page fault due to an invalid memory access. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation...

October 26, 2021—KB5006745 (OS Build 20348.320) Preview

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Learning how MTU and MSS work is key to using DDoS Protection as a Service

Maximum Transmit Unit MTU and Maximum Segment Size MSS are two important terms you should be familiar with when venturing into the world of networking, especially if you are working with GRE and IPSEC tunnels. And if you are looking to use DDoS Protection as a service, you will need to know how M...

CVE-2021-1611

A vulnerability in Ethernet over GRE EoGRE packet processing of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9800 Family Wireless Controller, Embedded Wireless Controller, and Embedded Wireless on Catalyst 9000 Series Switches could allow an unauthenticated, remote attacker to...

CVE-2021-1611

A vulnerability in Ethernet over GRE EoGRE packet processing of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9800 Family Wireless Controller, Embedded Wireless Controller, and Embedded Wireless on Catalyst 9000 Series Switches could allow an unauthenticated, remote attacker to...

Design/Logic Flaw

A vulnerability in Ethernet over GRE EoGRE packet processing of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9800 Family Wireless Controller, Embedded Wireless Controller, and Embedded Wireless on Catalyst 9000 Series Switches could allow an unauthenticated, remote attacker to...

CVE-2021-1611

The CVE-2021-1611 issue affects Cisco IOS XE Wireless Controller Software on Catalyst 9800 Family/Embedded Wireless Controllers and Embedded Wireless on Catalyst 9000 Series switches, relating to Ethernet over GRE (EoGRE) packet processing. The root cause is improper handling of malformed EoGRE p...

Cisco IOS和Cisco Catalyst 资源管理错误漏洞

Cisco IOS and Cisco Catalyst are both products of Cisco, Inc.Cisco IOS is a set of operating systems developed for its network devices.Cisco Catalyst is a series of switches. A resource management error vulnerability exists in a number of Cisco products and is caused by mishandling of malformed...

DDoS Attacks Wane in Q4 Amid Cryptomining Resurgence

Distributed denial-of-service DDoS attacks dropped significantly at the end of 2020, down 31 percent in the fourth quarter, according to researchers. The reason? Cybercriminals have switched their efforts and their botnets to cryptomining. According to an analysis from Kaspersky published Tuesday...

Juniper Junos MX Series PFE Small Packet DoS (JSA11036)

According to its self-reported version, the remote Juniper Junos OS device is affected by a denial of service DoS vulnerability. When a device running Juniper Networks Junos OS with MPC7, MPC8, or MPC9 line cards installed and the system is configured for inline IP reassembly, used by L2TP, MAP-E...

Juniper Junos MX Series PFE Large Packet DoS (JSA11041)

According to its self-reported version, the remote Juniper Junos OS device is affected by a denial of service DoS vulnerability. When a device running Juniper Networks Junos OS with MPC7, MPC8, or MPC9 line cards installed and the system is configured for inline IP reassembly, used by L2TP, MAP-E...

Design/Logic Flaw

When a device running Juniper Networks Junos OS with MPC7, MPC8, or MPC9 line cards installed and the system is configured for inline IP reassembly, used by L2TP, MAP-E, GRE, and IPIP, the packet forwarding engine PFE will become disabled upon receipt of small fragments requiring reassembly,...

CVE-2020-1655 Junos OS: MX Series: PFE crash on MPC7/8/9 upon receipt of large packets requiring fragmentation

When a device running Juniper Networks Junos OS with MPC7, MPC8, or MPC9 line cards installed and the system is configured for inline IP reassembly, used by L2TP, MAP-E, GRE, and IPIP, the packet forwarding engine PFE will become disabled upon receipt of large packets requiring fragmentation,...

Cisco Firepower Threat Defense Software Generic Routing Encapsulation Tunnel IPv6 Denial of Service Vulnerability (cisco-sa-ftd-dos-2-sS2h7aWe)

According to its version and configuration, the Cisco Firepower Threat Defense FTD Software running on the remote device is affected by a denial of service DoS vulnerability in the generic routing encapsulation GRE tunnel decapsulation feature. The vulnerability is due to a memory handling error...

Cisco Firepower Threat Defense Resource Management Error Vulnerability (CNVD-2020-27772)

Cisco Firepower Threat Defense FTD is a suite of unified software from the U.S. company Cisco Cisco that provides next-generation firewall services. A resource management error vulnerability exists in Cisco FTD versions 6.3.0 and 6.4.0, which stems from a memory handling error when processing GRE...