PT-2018-1784 · Cisco · Cisco Asr 9000 Series Aggregation Services Router

Published 2018-08-15 · Updated 2020-08-31 · CVE-2018-0418

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Cisco ASR 9000 Series Aggregation Services Router Software (affected versions not specified)

Description The issue is related to a lack of input validation for Precision Time Protocol (PTP) traffic. An unauthenticated, remote attacker could exploit this by injecting malformed traffic into an affected device, causing a denial of service (DoS) condition. This could result in services on the device becoming unresponsive.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

RCE

Weakness Enumeration

CWE-400

CWE-20

Related Identifiers

BDU:2018-01384

CVE-2018-0418

Affected Products

Cisco Asr 9000 Series Aggregation Services Router

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2018-0418 · Security Note
• https://osv.dev/vulnerability/CVE-2018-0418 · Vendor Advisory
• https://bdu.fstec.ru/vul/2018-01384 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180815-asr-ptp-dos · Vendor Advisory
• http://securityfocus.com/bid/105185 · Note
• http://securitytracker.com/id/1041538 · Note