CVE-2015-4243: Undefined Security Weakness

The PPPoE establishment implementation in Cisco IOS XE 3.5.0S on ASR 1000 devices allows remote attackers to cause a denial of service device reload by sending malformed PPPoE Active Discovery Request PADR packets on the local network, aka Bug ID CSCty94202...

PT-2015-6479

Name of the Vulnerable Software and Affected Versions Cisco IOS XE version 3.5.0S Description The issue is related to the PPPoE establishment implementation, which allows remote attackers to cause a denial of service by sending malformed PPPoE Active Discovery Request PADR packets. This is due to...

Cisco IOS Software UBR Devices IPv6 to IPv4 Subsystem Competition Condition Vulnerability

Cisco IOS on uBR devices is a set of operating systems from Cisco that run in uBR routers. A contention condition vulnerability exists in the IPv6-to-IPv4 subsystem in Cisco IOS version 15.3S on Cisco UBR devices. A remote attacker could exploit this vulnerability to cause a denial of service nul...

Race condition

Race condition in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine PRE module on UBR devices allows remote attackers to cause a denial of service NULL pointer free and module crash by triggering intermittent connectivity with many IPv6 CPE devices, aka Bug ID...

PT-2015-1408

Name of the Vulnerable Software and Affected Versions Cisco IOS version 15.3S Description The issue is caused by a race condition in the IPv6-to-IPv4 functionality in the Performance Routing Engine PRE module. This allows remote attackers to cause a denial of service by triggering intermittent...

CVE-2015-4199: Concurrent Execution using Shared Resource with Improper Synchronization

Race condition in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine PRE module on UBR devices allows remote attackers to cause a denial of service NULL pointer free and module crash by triggering intermittent connectivity with many IPv6 CPE devices, aka Bug ID...

Cisco IOS XR Denial of Service Vulnerability (CNVD-2015-04082)

Cisco IOS is the interconnected Internet operating system used on most Cisco Systems routers and network switches. A security vulnerability exists in Cisco IOS XR version 5.1.3, which can be exploited by remote attackers to cause a denial of service process reloading via constructed MPLS LDP...

CVE-2015-4223: Undefined Security Weakness

Cisco IOS XR 5.1.3 allows remote attackers to cause a denial of service process reload via crafted MPLS Label Distribution Protocol LDP packets, aka Bug ID CSCuu77478...

PT-2015-1418

Name of the Vulnerable Software and Affected Versions Cisco IOS XR version 5.1.3 Description The issue is related to errors in resource management in the Cisco IOS operating system. It can be exploited by a remote attacker using a specially crafted MPLS packet, potentially causing a denial of...

Race condition

Race condition in Cisco IOS 12.2SCH in the Performance Routing Engine PRE module on uBR10000 devices, when NetFlow and an MPLS IPv6 VPN are configured, allows remote attackers to cause a denial of service PXF process crash by sending malformed MPLS 6VPE packets quickly, aka Bug ID CSCud83396...

CVE-2015-4203

Race condition in Cisco IOS 12.2SCH in the Performance Routing Engine PRE module on uBR10000 devices, when NetFlow and an MPLS IPv6 VPN are configured, allows remote attackers to cause a denial of service PXF process crash by sending malformed MPLS 6VPE packets quickly, aka Bug ID CSCud83396...

Memory corruption

Memory leak in Cisco IOS 12.2 in the Performance Routing Engine PRE module on uBR10000 devices allows remote authenticated users to cause a denial of service memory consumption or PXF process crash by sending docsIfMCmtsMib SNMP requests quickly, aka Bug ID CSCue65051...

Memory corruption

Memory leak in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine PRE module on UBR devices allows remote attackers to cause a denial of service memory consumption by triggering an error during CPE negotiation, aka Bug ID CSCug00885...

PT-2015-1414

Name of the Vulnerable Software and Affected Versions Cisco IOS versions 12.2 Description The issue is related to resource management errors in the Performance Routing Engine PRE module of Cisco IOS. It can be exploited by a remote attacker to cause a denial of service by sending docsIfMCmtsMib...

CVE-2015-4204: Undefined Security Weakness

Memory leak in Cisco IOS 12.2 in the Performance Routing Engine PRE module on uBR10000 devices allows remote authenticated users to cause a denial of service memory consumption or PXF process crash by sending docsIfMCmtsMib SNMP requests quickly, aka Bug ID CSCue65051...

CVE-2015-4200: Undefined Security Weakness

Memory leak in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine PRE module on UBR devices allows remote attackers to cause a denial of service memory consumption by triggering an error during CPE negotiation, aka Bug ID CSCug00885...

PT-2015-1407

Name of the Vulnerable Software and Affected Versions Cisco IOS versions 15.3S Description The issue is related to errors in resource management in the Performance Routing Engine PRE module of Cisco IOS. It can be exploited by a remote attacker to cause a denial of service by triggering errors...

Cisco IOS XR SSH Link Termination Denial of Service Vulnerability

Cisco IOS XR is a member of the Cisco IOS software family and uses a microkernel-based distribution operating system architecture. A security vulnerability in Cisco IOS XR SSH handling allows a remote authenticated user to disconnect the SSH link making the vty unstable and subsequent SSH or Teln...

CVE-2015-4205: Undefined Security Weakness

Cisco IOS XR 5.3.1 on ASR 9000 devices allows remote attackers to cause a denial of service NPU chip reset or line-card reload by sending crafted IEEE 802.3x flow-control PAUSE frames on the local network, aka Bug ID CSCut19959...

CVE-2015-4203: Concurrent Execution using Shared Resource with Improper Synchronization

Race condition in Cisco IOS 12.2SCH in the Performance Routing Engine PRE module on uBR10000 devices, when NetFlow and an MPLS IPv6 VPN are configured, allows remote attackers to cause a denial of service PXF process crash by sending malformed MPLS 6VPE packets quickly, aka Bug ID CSCud83396...