Cisco IOS SAA Malformed RTR Packet DoS (CSCdx17916, CSCdx61997)

It is possible to crash the remote router by sending malformed Response Time Responder RTR packets. For this flaw to be exploitable, the router needs to have RTR responder enabled. This bug is referenced as CISCO bug id CSCdx17916 and CSCdx61997. %NASLMINLEVEL 999999 C Tenable Network Security,...

Three possible DoS attacks against some IOS versions.

There are three possible unreported DoS conditions in certain versions of IOS I could get my hands on. 1. When scanning all 65535 ports from a single host using nmap full connect/half connect/null/fin/ack/xmas through a Cisco 2611 running C2600-IO3-M, Version 12.16.5the router crashes. Same appli...

CVE-2001-0650

Cisco devices IOS 12.0 and earlier allow a remote attacker to cause a crash, or bad route updates, via malformed BGP updates with unrecognized transitive attribute...

Cisco IOS 1112 - SNMP Message Denial of Service

Cisco IOS 1112 - SNMP Message Denial of Service // source: https://www.securityfocus.com/bid/4132/info Cisco products contain multiple vulnerabilities in handling of SNMP requests and traps. A general report for multiple vendors was initially published on February 12 Bugtraq IDs 4088 and 4089,...

Cisco IOS 11.x12.x - HTTP Configuration Arbitrary Administrative Access (2)

Cisco IOS 11.x12.x - HTTP Configuration Arbitrary Administrative Access 2 / source: https://www.securityfocus.com/bid/2936/info IOS is router firmware developed and distributed by Cisco Systems. IOS functions on numerous Cisco devices, including routers and switches. It is possible to gain full...

Cisco IOS 11.x12.0 - ILMI SNMP Community String

Cisco IOS 11.x12.0 - ILMI SNMP Community String source: https://www.securityfocus.com/bid/2427/info IOS is the operating system designed for various Cisco devices. It is maintained and distributed by Cisco systems. A problem in the versions of IOS 11.x and 12.0 could allow unauthorized access to...