CVE-2011-0941: Undefined Security Weakness

Memory leak in Cisco Unified Communications Manager CUCM 6.x before 6.15su2, 7.x before 7.15bsu3, 8.x before 8.03asu1, and 8.5 before 8.51, and Cisco IOS 12.4 and 15.1, allows remote attackers to cause a denial of service memory consumption and process failure or device reload via a malformed SIP...

PT-2011-2771

Name of the Vulnerable Software and Affected Versions Cisco Unified Communications Manager CUCM versions 6.x through 6.15 before su2 Cisco Unified Communications Manager CUCM versions 7.x through 7.15b before su3 Cisco Unified Communications Manager CUCM versions 8.x through 8.03a before su1 Cisc...

CVE-2011-1640

The ethernet-lldp component in Cisco IOS 12.2 before 12.233SXJ1 does not properly support a large number of LLDP Management Address MA TLVs, which allows remote attackers to cause a denial of service device crash via crafted LLDPDUs, aka Bug ID CSCtj22354...

CVE-2011-2057

The cat6000-dot1x component in Cisco IOS 12.2 before 12.233SXI7 does not properly handle 1 a loop between a dot1x enabled port and an open-authentication dot1x enabled port and 2 a loop between a dot1x enabled port and a non-dot1x port, which allows remote attackers to cause a denial of service...

CVE-2011-2058

The cat6000-dot1x component in Cisco IOS 12.2 before 12.233SXI7 does not properly handle an external loop between a pair of dot1x enabled ports, which allows remote attackers to cause a denial of service traffic storm via unspecified vectors that trigger many unicast EAPoL Protocol Data Units PDU...

Authentication flaw

The cat6000-dot1x component in Cisco IOS 12.2 before 12.233SXI7 does not properly handle 1 a loop between a dot1x enabled port and an open-authentication dot1x enabled port and 2 a loop between a dot1x enabled port and a non-dot1x port, which allows remote attackers to cause a denial of service...

Code injection

The cat6000-dot1x component in Cisco IOS 12.2 before 12.233SXI7 does not properly handle an external loop between a pair of dot1x enabled ports, which allows remote attackers to cause a denial of service traffic storm via unspecified vectors that trigger many unicast EAPoL Protocol Data Units PDU...

CVE-2011-1640

The ethernet-lldp component in Cisco IOS 12.2 before 12.233SXJ1 does not properly support a large number of LLDP Management Address MA TLVs, which allows remote attackers to cause a denial of service device crash via crafted LLDPDUs, aka Bug ID CSCtj22354...

CVE-2011-2059

The ipv6 component in Cisco IOS before 15.14M1.3 allows remote attackers to conduct fingerprinting attacks and obtain potentially sensitive information about the presence of the IOS operating system via an ICMPv6 Echo Request packet containing a Hop-by-Hop HBH extension header EH with a 0x0c01050...

CVE-2011-2057

The cat6000-dot1x component in Cisco IOS 12.2 before 12.233SXI7 does not properly handle 1 a loop between a dot1x enabled port and an open-authentication dot1x enabled port and 2 a loop between a dot1x enabled port and a non-dot1x port, which allows remote attackers to cause a denial of service...

CVE-2011-2058: Improper Input Validation

The cat6000-dot1x component in Cisco IOS 12.2 before 12.233SXI7 does not properly handle an external loop between a pair of dot1x enabled ports, which allows remote attackers to cause a denial of service traffic storm via unspecified vectors that trigger many unicast EAPoL Protocol Data Units PDU...

PT-2011-3564

Name of the Vulnerable Software and Affected Versions Cisco IOS versions prior to 12.233SXI7 Description The issue is related to the cat6000-dot1x component, which does not properly handle certain network loops. This can be exploited by remote attackers to cause a denial of service, resulting in ...

PT-2011-3566

Name of the Vulnerable Software and Affected Versions Cisco IOS versions prior to 15.14M1.3 Description The issue allows remote attackers to conduct fingerprinting attacks and obtain potentially sensitive information about the presence of the IOS operating system via an ICMPv6 Echo Request packet...

PT-2011-3565

Name of the Vulnerable Software and Affected Versions Cisco IOS versions prior to 12.233SXI7 Description The issue is related to the cat6000-dot1x component, which does not properly handle an external loop between a pair of dot1x enabled ports. This allows remote attackers to cause a denial of...

CVE-2011-1640: Uncontrolled Resource Consumption

The ethernet-lldp component in Cisco IOS 12.2 before 12.233SXJ1 does not properly support a large number of LLDP Management Address MA TLVs, which allows remote attackers to cause a denial of service device crash via crafted LLDPDUs, aka Bug ID CSCtj22354...

CVE-2011-2059: Exposure of Sensitive Information to an Unauthorized Actor

The ipv6 component in Cisco IOS before 15.14M1.3 allows remote attackers to conduct fingerprinting attacks and obtain potentially sensitive information about the presence of the IOS operating system via an ICMPv6 Echo Request packet containing a Hop-by-Hop HBH extension header EH with a 0x0c01050...

CVE-2011-2057: Improper Input Validation

The cat6000-dot1x component in Cisco IOS 12.2 before 12.233SXI7 does not properly handle 1 a loop between a dot1x enabled port and an open-authentication dot1x enabled port and 2 a loop between a dot1x enabled port and a non-dot1x port, which allows remote attackers to cause a denial of service...

PT-2011-3259

Name of the Vulnerable Software and Affected Versions Cisco IOS versions prior to 12.233SXJ1 Description The issue is related to the ethernet-lldp component, which does not properly handle a large number of LLDP Management Address MA TLVs. This allows remote attackers to cause a denial of service...

CVE-2011-2072

Memory leak in Cisco IOS 12.4, 15.0, and 15.1, Cisco IOS XE 2.5.x through 3.2.x, and Cisco Unified Communications Manager CUCM 6.x and 7.x before 7.15bsu4, 8.x before 8.51su2, and 8.6 before 8.61 allows remote attackers to cause a denial of service memory consumption and device reload or process...

CVE-2011-3273

Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall aka ZBFW is configured, allows remote attackers to cause a denial of service memory consumption or device crash via vectors that trigger many session creation flows, aka Bug ID CSCti79848...