Condorlab

Cisco – Vulnerability in Cisco application server allow DoS


Advisory IDRSN-SIP-1600


Vulnerability Information

A vulnerability in the application server of the Cisco Unified Customer Voice Portal (CVP) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on the affected device. The vulnerability is due to malformed SIP INVITE traffic received on the CVP during communications with the Cisco Virtualized Voice Browser (VVB). An attacker could exploit this vulnerability by sending malformed SIP INVITE traffic to the targeted appliance. An exploit could allow the attacker to impact the availability of services and data on the device, causing a DoS condition. This vulnerability affects Cisco Unified CVP running any software release prior to 11.6(1). Cisco Bug IDs: CSCve85840.

Release Date

2018-01-17 00:00:00



Technical Information

an unauthenticated, remote attacker to cause a denial of service (DoS) condition on the affected device. The vulnerability is due to malformed SIP INVITE traffic received on the CVP during communications with the Cisco Virtualized Voice Browser (VVB). An attacker could exploit this vulnerability by sending malformed SIP INVITE traffic to the targeted appliance


Solutions

The UCTM solution from RedShift Networks provides the industry’s first complete security solution developed to secure VOIP networks, endpoints and applications. His research team Condor-Labs.com is constantly looking for new attack patterns, advanced penetration testing methods, vulnerability identification and deployment of new signatures for constantly subscribed clients. For more information visit www.redshiftnetworks.com


External Resources

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180117-cvp

http://www.securityfocus.com/bid/102745

Common Vulnerabilities and Exposures (CVE)

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-0086