Security Advisories & Alerts

Cisco Adaptive Security Appliance (ASA) Software CVE-2017-6607 Denial of Service Vulnerability

Description: The vulnerability is due to a flaw in handling crafted DNS response messages. An attacker could exploit this vulnerability by triggering a DNS request from the Cisco ASA Software and replying with a crafted response. A successful exploit could cause the device to reload, resulting in a denial of service (DoS) condition or corruption of the local DNS cache information. Only traffic directed to...

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Cisco Adaptive Security Appliance (ASA) Software CVE-2017-6608 Denial of Service Vulnerability

Description: The vulnerability is due to improper parsing of crafted SSL or TLS packets. An attacker could exploit this vulnerability by sending a crafted packet to the affected system. Only traffic directed to the affected system can be used to exploit this vulnerability. This vulnerability affects systems configured in routed and transparent firewall mode and in single or multiple context mode. This vulnerability can be...

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Cisco ASA Software CVE-2017-6610 Denial of Service Vulnerability

Description: The vulnerability is due to insufficient validation of the IKEv1 XAUTH parameters passed during an IKEv1 negotiation. An attacker could exploit this vulnerability by sending crafted parameters. Only traffic directed to the affected system can be used to exploit this vulnerability. This vulnerability only affects systems configured in routed firewall mode and in single or multiple context mode. This vulnerability can be triggered by...

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Cisco ASA Software CVE-2017-6609 Denial of Service Vulnerability

Description: The vulnerability is due to improper parsing of malformed IPsec packets. An attacker could exploit this vulnerability by sending malformed IPsec packets to the affected system. Only traffic directed to the affected system can be used to exploit this vulnerability. This vulnerability affects systems configured in routed firewall mode only and in single or multiple context mode. This vulnerability can be triggered by IPv4...

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Cisco Unified Communications Manager CVE-2017-3808 Denial of Service Vulnerability

Description: The vulnerability is due to insufficient rate limiting protection. An attacker could exploit this vulnerability by sending the affected device a high rate of SIP messages. An exploit could allow the attacker to cause the device to reload unexpectedly. The device and services will restart automatically. Related CVE: CVE-2017-3808 Impact:  A vulnerability in the Session Initiation Protocol (SIP) UDP throttling process of Cisco Unified...

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