The Cisco IOS IP Service Level Agreement (IP SLA) feature contains a denial of service (DoS) vulnerability. The vulnerability is triggered when malformed UDP packets are sent to a vulnerable device. The vulnerable UDP port numbers depend on the device configuration. Default ports are not used for the vulnerable UDP IP SLA operation or for the UDP responder ports.
Category Archives: Cisco
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Multiple Vulnerabilities in Cisco ASA 5500 Series Adaptive Security Appliances and Cisco Catalyst 6500 Series ASA Services Module
Cisco ASA 5500 Series Adaptive Security Appliances and Cisco Catalyst 6500 Series ASA Services Module are affected by multiple vulnerabilities as follows:
Multiple Vulnerabilities in Cisco Firewall Services Module
The Cisco Firewall Services Module (FWSM) for the Cisco Catalyst 6500 Series switches and Cisco 7600 Series routers is affected by the following vulnerabilities:
Directory Traversal Vulnerability in Cisco Network Admission Control Manager
Cisco Network Admission Control (NAC) Manager contains a directory traversal vulnerability that may allow an unauthenticated attacker to obtain system information.
Cisco Identity Services Engine Database Default Credentials Vulnerability
Cisco Identity Services Engine (ISE) contains a set of default credentials for its underlying database. A remote attacker could use those credentials to modify the device configuration and settings or gain complete administrative control of the device.
Cisco 10000 Series Denial of Service Vulnerability
The Cisco 10000 Series Router is affected by a denial of service (DoS) vulnerability that can allow an attacker to cause a device reload by sending a series of ICMP packets.
Cisco IOS Software IPv6 over MPLS Vulnerabilities
Cisco IOS Software is affected by two vulnerabilities that cause a Cisco IOS device to reload when processing IP version 6 (IPv6) packets over a Multiprotocol Label Switching (MPLS) domain.
Cisco IOS Software IPv6 Denial of Service Vulnerability
Cisco IOS Software contains a vulnerability in the IP version 6 (IPv6) protocol stack implementation that could allow an unauthenticated, remote attacker to cause a reload of an affected device that has IPv6 enabled. The vulnerability may be triggered when the device processes a malformed IPv6 packet.
Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities
Multiple vulnerabilities exist in the Session Initiation Protocol (SIP) implementation in Cisco IOS Software and Cisco IOS XE Software that could allow an unauthenticated, remote attacker to cause a reload of an affected device or trigger memory leaks that may result in system instabilities. Affected devices would need to be configured to process SIP messages for these vulnerabilities to be exploitable.
Cisco IOS Software Data-Link Switching Vulnerability
Cisco IOS Software contains a memory leak vulnerability in the Data-Link Switching (DLSw) feature that could result in a device reload when processing crafted IP Protocol 91 packets.