Cisco Catalyst 6000, 6500 and Cisco 7600 Series MPLS Packet Vulnerability

Cisco Catalyst 6500 series systems that are running certain versions of Cisco Internetwork Operating System IOS are vulnerable to an attack from a Multi Protocol Label Switching MPLS packet. Only the systems that are running in Hybrid Mode Catalyst OS CatOS software on the Supervisor Engine and I...

Code injection

Cisco IOS XR, when configured for Multi Protocol Label Switching MPLS and running on Cisco CRS-1 routers, allows remote attackers to cause a denial of service Modular Services Cards MSC crash or "MPLS packet handling problems" via certain MPLS packets, as identified by Cisco bug IDs 1 CSCsd15970...

US-CERT Technical Cyber Security Alert TA05-026A -- Multiple Denial-of-Service Vulnerabilities in Cisco IOS

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Technical Cyber Security Alert TA05-026A Multiple Denial-of-Service Vulnerabilities in Cisco IOS Original release date: January 26, 2005 Last revised: -- Source: US-CERT Systems Affected Cisco routers and switches running IOS in various configurations...