Improper input validation in Cisco ASR 9000 Series Aggregation Services Routers - CVE-2018-0418

 

Improper input validation in Cisco ASR 9000 Series Aggregation Services Routers - CVE-2018-0418

Published: August 15, 2018 / Updated: August 16, 2018


Vulnerability identifier: #VU14434
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-0418
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco ASR 9000 Series Aggregation Services Routers

Detailed vulnerability description

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

The vulnerability exists in the Local Packet Transport Services (LPTS) feature set due to lack of input and validation checking on certain Precision Time Protocol (PTP) ingress traffic. A remote attacker can inject malformed traffic into and cause services on the device to become unresponsive.


How to mitigate CVE-2018-0418

Install update from vendor's website.

Sources