Resource exhaustion in Cisco Unified Customer Voice Portal - CVE-2018-0086
Published: January 22, 2018
Vulnerability identifier: #VU10123
CSH Severity: Low
CVSS v4: 8.7 [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]
CVE-ID: CVE-2018-0086
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Cisco Unified Customer Voice Portal
How to mitigate CVE-2018-0086
Update to version 11.6(1).