CVE-2018-0086 Denial of service in Cisco Unified Customer Voice Portal
Unauthenticated remote attackers can cause a denial of service on Cisco Unified Customer Voice Portal by sending malformed SIP INVITE traffic.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-0086?
CVE-2018-0086 is a high-severity denial of service vulnerability in Cisco Unified Customer Voice Portal, published on 18 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-400
Which versions are affected by CVE-2018-0086?
It affects 1 product.
Products include Cisco Unified Customer Voice Portal.
How do I fix CVE-2018-0086?
No fix has been published for CVE-2018-0086 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-0086 being exploited?
There is no known exploitation of CVE-2018-0086 in the wild and no public exploit code.
Other vulnerabilities in Cisco Unified Customer Voice Portal
Sources
Also known as GHSA-7j8f-w9cg-569r.