SB2017051803 - Denial of service in Cisco IP Phone 8851
Published: May 18, 2017
Security Bulletin ID
SB2017051803
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Denial of service (CVE-ID: CVE-2017-6630)
The vulnerability allows a remote unauthenticated user to cause DoS condition in the target system.The weakness exists due to an error when processing an abnormal SIP message. A remote attacker can use the CANCEL packet to cause a disruption of service on the phone.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.