CVE-2013-5545

Cisco IOS XE PPTP ALG vulnerability (CVE-2013-5545) affects 1000-series ASR devices running 3.9 before 3.9.2S. The issue—described as a PPTP ALG handling flaw—allows unauthenticated, remote attackers to trigger a reload of ESP/RP and cause a DoS by sending many PPTP packets over NAT. Connected do...

CVE-2013-5543

Cisco IOS XE 3.4 before 3.4.2S and 3.5 before 3.5.1S on 1000 ASR devices allows remote attackers to cause a denial of service device reload via malformed ICMP error packets associated with a 1 TCP or 2 UDP session that is under inspection by the Zone-Based Firewall ZBFW component, aka Bug ID...

CVE-2013-5547

Cisco IOS XE 3.9 before 3.9.2S on 1000 ASR devices allows remote attackers to cause a denial of service device reload by sending malformed EoGRE packets over 1 IPv4 or 2 IPv6, aka Bug ID CSCuf08269...

CVE-2013-5545

The PPTP ALG implementation in Cisco IOS XE 3.9 before 3.9.2S on 1000 ASR devices allows remote attackers to cause a denial of service device reload by sending many PPTP packets over NAT, aka Bug ID CSCuh19936...

CVE-2013-5547

Cisco IOS XE 3.9 before 3.9.2S on 1000 ASR devices is affected by CVE-2013-5547, where malformed EoGRE packets over IPv4/IPv6 can cause a remote denial of service (device reload). This is documented in Cisco advisory Cisco-SA-20131030-ASR1000 and mirrored in NVD/Red Hat records. The root cause is...

CVE-2013-5543

CVE-2013-5543 affects Cisco IOS XE on 1000 Series ASR routers. A vulnerability in the Zone-Based Firewall (ZBFW) handling allows remote attackers to trigger a device reload via malformed ICMP error packets bound to an active TCP/UDP session (Bug CSCtt26470). Affected versions are IOS XE 3.4 prior...

CVE-2013-5546

The CVE-2013-5546 issue affects Cisco IOS XE on 1000 ASR devices, specifically in TCP reassembly. Affects the NAT and ALG processing paths where large TCP packets can trigger a device reload, causing a denial of service. Root cause: improper handling in TCP reassembly leading to crash under certa...

CVE-2013-5546

The TCP reassembly feature in Cisco IOS XE 3.7 before 3.7.3S and 3.8 before 3.8.1S on 1000 ASR devices allows remote attackers to cause a denial of service device reload via large TCP packets that are processed by the 1 NAT or 2 ALG component, aka Bug ID CSCud72509...

Multiple Vulnerabilities in Cisco IOS XE Software for 1000 Series Aggregation Services Routers

Cisco IOS XE Software for 1000 Series Aggregation Services Routers ASR contains the following denial of service DoS vulnerabilities: Cisco IOS XE Software Malformed ICMP Packet Denial of Service Vulnerability Cisco IOS XE Software PPTP Traffic Denial of Service Vulnerability Cisco IOS XE Software...

Cisco Releases Security Advisory

Cisco has released a security advisory to address multiple vulnerabilities in Cisco IOS XE Software for 1000 Series Aggregation Services Routers ASR. These vulnerabilities, which are independent of each other, could allow an unauthenticated remote attacker to cause a denial-of-service condition...

Design/Logic Flaw

The OSPF functionality in Cisco IOS and IOS XE allows remote attackers to cause a denial of service device reload via crafted options in an LSA type 11 packet, aka Bug ID CSCui21030...

CVE-2013-5527

The vulnerability CVE-2013-5527 affects Cisco IOS and IOS XE OSPF implementations, specifically the OSPF opaque LSA (type 11) handling. The root cause is improper parsing of certain options in OSPF LSA type 11 packets, which can be exploited remotely by an unauthenticated attacker to trigger a de...

Cisco IOS XE Software Internet Key Exchange Memory Leak Vulnerability (cisco-sa-20130925-ike)

A vulnerability in the Internet Key Exchange IKE protocol of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak that could lead to a device reload. The vulnerability is due to incorrect handling of malformed IKE packets by the affected software. An attack...

Cisco IOS XE Software Resource Reservation Protocol Interface Queue Wedge Vulnerability (cisco-sa-20130925-rsvp)

A vulnerability in the Resource Reservation Protocol RSVP feature of Cisco IOS XE Software allows an unauthenticated, remote attacker to trigger an interface queue wedge on the affected device. The vulnerability is due to improper parsing of UDP RSVP packets. An attacker can exploit this...

Cisco IOS XE Software DHCP Denial of Service Vulnerability (cisco-sa-20130925-dhcp)

A vulnerability in the DHCP implementation of Cisco IOS XE Software allows an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability occurs during the parsing of crafted DHCP packets. An attacker can exploit this vulnerability by sending crafted DHCP packet...

Code injection

The NTP implementation in Cisco IOS 12.0 through 12.4 and 15.0 through 15.1, and IOS XE 2.1 through 3.3, does not properly handle encapsulation of multicast NTP packets within MSDP SA messages, which allows remote attackers to cause a denial of service device reload by leveraging an MSDP peer...

Memory corruption

Memory leak in Cisco IOS 12.2, 15.1, and 15.2; IOS XE 3.4.2S through 3.4.5S; and IOS XE 3.6.xS before 3.6.1S allows remote attackers to cause a denial of service memory consumption or device reload via malformed IKEv1 packets, aka Bug ID CSCtx66011...

CVE-2013-5475

Cisco IOS/IOS XE DHCP Denial of Service (CVE-2013-5475): Affects Cisco IOS 12.2–12.4 and 15.0–15.3, and IOS XE 2.1–3.9. Vulnerability arises during parsing of crafted DHCP packets processed by the DHCP server or DHCP relay, potentially triggering a device reload. Remediation: Cisco (and Red Hat/N...

CVE-2013-5478

CVE-2013-5478 describes a DoS vulnerability in Cisco IOS/IOS XE where, if a VRF interface exists, remote attackers can trigger an interface queue wedge by sending crafted UDP RSVP packets. Affected software includes Cisco IOS 15.0–15.3 and IOS XE 3.2–3.8; the underlying root cause is improper par...

CVE-2013-5478

Cisco IOS 15.0 through 15.3 and IOS XE 3.2 through 3.8, when a VRF interface exists, allows remote attackers to cause a denial of service interface queue wedge via crafted UDP RSVP packets, aka Bug ID CSCuf17023...