DoS против Cisco Catalyst (malformed SNMP packet)

Пустой пакет UDP/161 приводит к отказу коммутатора...

Cisco Catalyst 2900XL crashes with empty UDP packet when SNMP is disabled.

Hi It's possible to crash Cisco Catalyst 2900XL with a empty UDP packet to port 161 when SNMP is disabled. Other switches also? The crash only occurs when the switch is booted with SNMP disabled. Seems that SNMP is listening, even if SNMP is disabled.. ? I have only tested this with Software...

Cisco Catalyst 2900 12.0 - 5.2XU SNMP Empty UDP Packet Denial of Service

Cisco Catalyst 2900 12.0 - 5.2XU SNMP Empty UDP Packet Denial of Service source: https://www.securityfocus.com/bid/2689/info The Catalyst series switch is a scalable, high performance layers 2 and 3 switch manufactured by Cisco Systems. The Catalyst series ranges in size, and is designed for use ...

Cisco Catalyst 2900 12.0 - '5.2'XU SNMP Empty UDP Packet Denial of Service

source: https://www.securityfocus.com/bid/2689/info The Catalyst series switch is a scalable, high performance layers 2 and 3 switch manufactured by Cisco Systems. The Catalyst series ranges in size, and is designed for use in organizations sized from small business to large enterprise. A problem...

CVE-2000-1080

Quake 1 quake1 and ProQuake 1.01 and earlier allow remote attackers to cause a denial of service via a malformed empty UDP packet...

CVE-2000-1080: Undefined Security Weakness

Quake 1 quake1 and ProQuake 1.01 and earlier allow remote attackers to cause a denial of service via a malformed empty UDP packet...

CVE-2000-0830

annclist.exe in webTV for Windows allows remote attackers to cause a denial of service by via a large, malformed UDP packet to ports 22701 through 22705...

CVE-2000-1080

Quake 1 quake1 and ProQuake 1.01 and earlier allow remote attackers to cause a denial of service via a malformed empty UDP packet...

CVE-2000-0289

IP masquerading in Linux 2.2.x allows remote attackers to route UDP packets through the internal interface by modifying the external source IP address and port number to match those of an established connection...

CVE-2000-0522

RSA ACE/Server allows remote attackers to cause a denial of service by flooding the server's authentication request port with UDP packets, which causes the server to crash...

CVE-2000-0522: Undefined Security Weakness

RSA ACE/Server allows remote attackers to cause a denial of service by flooding the server's authentication request port with UDP packets, which causes the server to crash...

Microsoft WebTV DoS Vulnerability

Description If a remote user sends a UDP packet to any port in the 22701 - 22705 range to a system running WebTV for Windows, the system may crash entirely or at the least the program will stop responding. As well, sending a UDP packet to port 22703 specifically has been known to cause automatic...

trivial DoS in webTV

There exists a trivial DoS in webTV coming from plain 98 installation. By sending a udp packet to the 22701-22705 opened up by annclist.exe you can cause the program to crash or cause various blue screens etc. The larger the size, the more dramitic the effects lockups, reboots and that. Microsoft...

CVE-2000-0339

ZoneAlarm 2.1.10 and earlier does not filter UDP packets with a source port of 67, which allows remote attackers to bypass the firewall rules...

CVE-2000-0569

Sybergen Sygate allows remote attackers to cause a denial of service by sending a malformed DNS UDP packet to its internal interface...

Sybergen SyGate 2.03.11 - Denial of Service

Sybergen SyGate 2.03.11 - Denial of Service // source: https://www.securityfocus.com/bid/1420/info An exploit which causes a Denial of Service to Sybergen's Sygate when run from an internal machine has been released. The exploit sends a UDP packet to port 53 of the gateway. //Sygate Crash by:...

Sybergen SyGate 2.0/3.11 - Denial of Service

// source: https://www.securityfocus.com/bid/1420/info An exploit which causes a Denial of Service to Sybergen's Sygate when run from an internal machine has been released. The exploit sends a UDP packet to port 53 of the gateway. //Sygate Crash by: [email protected] April-00 //http://www.eEye.com...

CVE-2000-0522

RSA ACE/Server allows remote attackers to cause a denial of service by flooding the server's authentication request port with UDP packets, which causes the server to crash...

disable.tcpdump

Greetings. There is a way to disable tcpdump running on a remote host. By sending a carefully crafted UDP packet on the network which tcpdump monitors, it is possible, under certain circonstances, to make tcpdump fall into an infinite loop. This undesired behaviour has serious consequences for an...

Denial of service attack against tcpdump

Greetings. There is a way to disable tcpdump running on a remote host. By sending a carefully crafted UDP packet on the network which tcpdump monitors, it is possible, under certain circonstances, to make tcpdump fall into an infinite loop. This undesired behaviour has serious consequences for an...