#VU10123 Resource exhaustion in Cisco Unified Customer Voice Portal - CVE-2018-0086
Published: January 22, 2018
Vulnerability identifier: #VU10123
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-0086
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco Unified Customer Voice Portal
Cisco Unified Customer Voice Portal
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the application server of the Cisco Unified Customer Voice Portal (CVP) due to malformed SIP INVITE traffic received on the CVP during communications with the Cisco Virtualized Voice Browser (VVB). A remote attacker can send malformed SIP INVITE traffic to the targeted appliance trigger memory exhaustion and cause the system to crash.
The weakness exists in the application server of the Cisco Unified Customer Voice Portal (CVP) due to malformed SIP INVITE traffic received on the CVP during communications with the Cisco Virtualized Voice Browser (VVB). A remote attacker can send malformed SIP INVITE traffic to the targeted appliance trigger memory exhaustion and cause the system to crash.
Remediation
Update to version 11.6(1).