SB2017090716 - Denial of service in Cisco Unified Communications Manager



SB2017090716 - Denial of service in Cisco Unified Communications Manager

Published: September 7, 2017

Security Bulletin ID SB2017090716
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper input validation (CVE-ID: CVE-2017-6791)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the Trust Verification Service (TVS) due to improper handling of Transport Layer Security (TLS) traffic. A remote attacker can generate incomplete traffic streams, deny access to the TVS and cause the service to crash.

Successful exploitation of the vulnerability results in denial of service.

Remediation

Install update from vendor's website.