==================================================================== CERT-Renater Note d'Information No. 2018/VULN023 _____________________________________________________________________ DATE : 18/01/2018 HARDWARE PLATFORM(S): / OPERATING SYSTEM(S): Cisco AsyncOS ESA Software versions prior to 11.6(1). ===================================================================== https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180117-cvp _____________________________________________________________________ Cisco Security Advisory: Cisco Unified Customer Voice Portal Denial of Service Vulnerability Advisory ID: cisco-sa-20180117-cvp Revision: 1.0 For Public Release: 2018 January 17 16:00 GMT Last Updated: 2018 January 17 16:00 GMT CVE ID(s): CVE-2018-0086 CVSS Score v(3): 8.6 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H +--------------------------------------------------------------------- Summary ======= 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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180117-cvp ["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180117-cvp"] ========================================================== + CERT-RENATER | tel : 01-53-94-20-44 + + 23 - 25 Rue Daviel | fax : 01-53-94-20-41 + + 75013 Paris | email: cert@support.renater.fr + ==========================================================