Cisco IOS XR Typhoon-based Line Cards and Network Processor (NP) Chip DoS

The remote Cisco device is running a version of Cisco IOS XR software that is affected by an error due to the improper processing of IPv4 packets routed through the bridge-group virtual interface BVI whenever Unicast Reverse Path Forwarding uRPF, policy-based routing PBR, quality of service QoS, ...

Cisco IOS XR NetFlow and Network Processor (NP) Chip DoS (Typhoon-based Line Cards)

The remote Cisco device is running a version of Cisco IOS XR software that is potentially affected by a denial of service vulnerability related the handling of a maliciously crafted packet with a multicast destination MAC address routed by a bridge-group virtual interface. Note that this issue on...

Cisco IOS XR MPLS and Network Processor (NP) Chip DoS (Typhoon-based Line Cards)

The remote Cisco device is running a version Cisco IOS XR software that is potentially affected by a denial of service vulnerability related the handling of maliciously crafted MPLS Multiprotocol Label Switching packets routed by a bridge-group virtual interface. Note that this issue only affects...

Cisco IOS XR Software Static Punt Policer DoS (CSCun83985)

According to its self-reported version, the version of Cisco IOS XR running on the remote host is affected by a denial of service vulnerability due to a missing static punt policer. A remote, unauthenticated attacker can cause the device to lock up by rapidly sending specially crafted packets. No...

Cisco IOS XR Typhoon-based Line Cards and Network Processor (NP) Chip DoS

The remote Cisco device is running a version Cisco IOS XR software that is potentially affected by a denial of service vulnerability related to Netflow and handling malformed IPv4/IPv6 packets. Note this issue only affects Cisco ASR 9000 series devices using Typhoon-based line cards and Netflow...

Cisco IOS XR Software Punt Policer Denial of Service Vulnerability

A vulnerability in the implementation of the punt policer on Trident line cards in Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to overload the CPU on the Trident line card or route processor RP and eventually cause a denial of service DoS...

Design/Logic Flaw

Cisco IOS XR on Trident line cards in ASR 9000 devices lacks a static punt policer, which allows remote attackers to cause a denial of service CPU consumption by sending many crafted packets, aka Bug ID CSCun83985...

Cisco IOS XR Software IPv6 Malformed Packet Denial of Service Vulnerability

A vulnerability in the parsing of malformed Internet Protocol version 6 IPv6 packets in Cisco IOS XR Software for ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause a lockup and eventual reload of a Network Processor NP chip and a line card...

Cisco Security Advisory: Cisco XR 12000 Series Shared Port Adapters Interface Processor Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Cisco Security Advisory: Cisco XR 12000 Series Shared Port Adapters Interface Processor Vulnerability Advisory ID: cisco-sa-20110525-iosxrspa Revision 1.0 For Public Release 2011 May 25 1600 UTC GMT...

CVE-2001-0864

Cisco 12000 Series routers with IOS 12.0 and Engine 2 line cards have an ACL boundary bug: when an outgoing ACL contains exactly 448 entries, the implicit/deny rule may be bypassed for some outbound packets. Affected component: outgoing ACL processing on Engine 2-based line cards; impact: potenti...

Security Advisory: Multiple Vulnerabilities in Access Control List Implementation for Cisco 12000 Series Internet Router

-----BEGIN PGP SIGNED MESSAGE----- Cisco Security Advisory: Multiple Vulnerabilities in Access Control List Implementation for Cisco 12000 Series Internet Router Revision 1.0 For Public Release 2001 November 14 08:00 UTC -0800 Summary Six vulnerabilities involving Access Control List ACL has been...