Tag Archives : DoS

Cisco Unified Communications Manager (formerly Cisco CallManager) contains multiple denial of service (DoS) vulnerabilities that if exploited could cause an interruption of voice services. The Session Initiation Protocol (SIP), Skinny Client Control Protocol (SCCP) and Computer Telephony Integration...

A vulnerability exists in the Cisco Firewall Services Module (FWSM) for the Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers that may cause the Cisco FWSM to reload after processing a malformed Skinny Client Control Protocol (SCCP) message. The vulnerability exists when SCCP inspection...

Forget spam, viruses, worms, malware and phishing. These threats are apparently old school when compared to a new class of denial-of-service (DOS) attacks that threaten wireless data networks. The latest wireless network threats were outlined in a talk here Thursday by Krishan Sabnani, vice president...

Every now and then, all network engineers have to deal with some kind of network attack.  Usually, the attack does not target the network devices, but the machines that provide services (e.g. www, database hosting…), because it’s more easy to find on the Internet a script that is probing...

A recent announcement by Verizon Business concerning an expanded suite of protection “in the cloud” from denial-of-service-attacks is a great example of services that should be provided within the service providers’ networks – something that we’ve been advocating for years. Of...