CVE-2018-0086 Explained : Impact and Mitigation

A vulnerability in the application server of Cisco Unified Customer Voice Portal (CVP) could lead to a denial of service (DoS) scenario due to malformed SIP INVITE traffic.

Understanding CVE-2018-0086

This CVE involves a flaw in Cisco Unified CVP that could be exploited to disrupt services and data availability on the affected device.

What is CVE-2018-0086?

The vulnerability in Cisco Unified CVP allows unauthorized individuals to send modified SIP INVITE traffic, potentially causing a DoS situation on the device.

The Impact of CVE-2018-0086

If successfully exploited, this vulnerability could result in a denial of service, affecting the availability of services and data on the device.

Technical Details of CVE-2018-0086

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability arises from malformed SIP INVITE traffic received on the CVP during interactions with the Cisco Virtualized Voice Browser (VVB).

Affected Systems and Versions

Cisco Unified CVP versions prior to 11.6(1) are vulnerable.

Exploitation Mechanism

An unauthorized individual can exploit the flaw by sending modified SIP INVITE traffic to the targeted device.

Mitigation and Prevention

Protecting systems from CVE-2018-0086 is crucial to prevent potential DoS attacks.

Immediate Steps to Take

Apply the necessary patches provided by Cisco to mitigate the vulnerability.
Monitor network traffic for any suspicious activity related to SIP INVITE traffic.

Long-Term Security Practices

Regularly update and patch Cisco Unified CVP to ensure the latest security fixes are in place.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Stay informed about security advisories from Cisco and promptly apply recommended patches to secure the system.