cisco-sa-20180815-asr-ptp-dos: Cisco ASR 9000 Series Aggregation Services Routers Precision Time Protocol Denial of Service Vulnerability
A vulnerability in the Local Packet Transport Services (LPTS) feature set of Cisco ASR 9000 Series Aggregation Services Router Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a lack of input and validation checking on certain Precision Time Protocol (PTP) ingress traffic to an affected device. An attacker could exploit this vulnerability by injecting malformed traffic into an affected device. A successful exploit could allow the attacker to cause services on the device to become unresponsive, resulting in a DoS condition.
There are no workarounds that address this vulnerability.
This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180815-asr-ptp-dos
Affected Software
Event History
Frequently Asked Questions
What is the severity of cisco-sa-20180815-asr-ptp-dos?
The severity of cisco-sa-20180815-asr-ptp-dos is classified as high due to the potential for unauthorized remote denial of service.
How do I fix cisco-sa-20180815-asr-ptp-dos?
To fix cisco-sa-20180815-asr-ptp-dos, update the Cisco ASR 9000 Series Aggregation Services Router Software to the latest version that addresses this vulnerability.
Who is affected by cisco-sa-20180815-asr-ptp-dos?
Customers using the Cisco ASR 9000 Series Aggregation Services Router Software are potentially affected by cisco-sa-20180815-asr-ptp-dos.
What type of attack is possible with cisco-sa-20180815-asr-ptp-dos?
cisco-sa-20180815-asr-ptp-dos allows unauthenticated remote attackers to launch a denial of service (DoS) attack.
Is authentication required to exploit cisco-sa-20180815-asr-ptp-dos?
No, no authentication is required to exploit cisco-sa-20180815-asr-ptp-dos, making it particularly concerning.