SB2017062304 - Denial of service in Cisco Virtualized Packet Core
Published: June 23, 2017
Security Bulletin ID
SB2017062304
Severity
Low
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-2017-6678)
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.The weakness exists in the ingress UDP packet processing functionality of Cisco Virtualized Packet Core−Distributed Instance (VPC−DI) Software due to insufficient handling of user-supplied data. A remote attacker can send specially crafted UDP packets to the distributed instance (DI) network addresses of both CF instances, trigger an unhandled error condition and cause the CF instances and the entire VPC to reload.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.