CVE-2018-0418

Severity Score

8.6

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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. Cisco Bug IDs: CSCvj22858.

Una vulnerabilidad en el paquete de características Local Packet Transport Services (LPTS) de Cisco ASR 9000 Series Aggregation Services Router Software podría permitir que un atacante remoto no autenticado cree una condición de denegación de servicio (DoS) en un dispositivo afectado. La vulnerabilidad se debe a la falta de comprobaciones de entradas y validación en cierto tráfico entrante PTP (Precision Time Protocol) en un dispositivo afectado. Un atacante podría explotar esta vulnerabilidad inyectando tráfico mal formado en un dispositivo afectado. Si se explota con éxito, podría permitir que el atacante consiga que los servicios del dispositivo se reinicien, provocando una denegación de servicio (DoS). Cisco Bug IDs: CSCvj22858.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-11-27 CVE Reserved
2018-08-15 CVE Published
2024-02-15 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation
CWE-400: Uncontrolled Resource Consumption

CAPEC

References (3)

URL	Tag	Source
http://www.securityfocus.com/bid/105185	Third Party Advisory
http://www.securitytracker.com/id/1041538	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180815-asr-ptp-dos	2020-08-31

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"	Ios Xr Search vendor "Cisco" for product "Ios Xr"	<= 6.3.3_base Search vendor "Cisco" for product "Ios Xr" and version " <= 6.3.3_base"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 9000v Search vendor "Cisco" for product "Asr 9000v"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xr Search vendor "Cisco" for product "Ios Xr"	<= 6.3.3_base Search vendor "Cisco" for product "Ios Xr" and version " <= 6.3.3_base"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 9001 Search vendor "Cisco" for product "Asr 9001"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xr Search vendor "Cisco" for product "Ios Xr"	<= 6.3.3_base Search vendor "Cisco" for product "Ios Xr" and version " <= 6.3.3_base"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 9006 Search vendor "Cisco" for product "Asr 9006"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xr Search vendor "Cisco" for product "Ios Xr"	<= 6.3.3_base Search vendor "Cisco" for product "Ios Xr" and version " <= 6.3.3_base"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 9010 Search vendor "Cisco" for product "Asr 9010"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xr Search vendor "Cisco" for product "Ios Xr"	<= 6.3.3_base Search vendor "Cisco" for product "Ios Xr" and version " <= 6.3.3_base"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 9901 Search vendor "Cisco" for product "Asr 9901"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xr Search vendor "Cisco" for product "Ios Xr"	<= 6.3.3_base Search vendor "Cisco" for product "Ios Xr" and version " <= 6.3.3_base"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 9904 Search vendor "Cisco" for product "Asr 9904"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xr Search vendor "Cisco" for product "Ios Xr"	<= 6.3.3_base Search vendor "Cisco" for product "Ios Xr" and version " <= 6.3.3_base"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 9906 Search vendor "Cisco" for product "Asr 9906"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xr Search vendor "Cisco" for product "Ios Xr"	<= 6.3.3_base Search vendor "Cisco" for product "Ios Xr" and version " <= 6.3.3_base"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 9910 Search vendor "Cisco" for product "Asr 9910"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xr Search vendor "Cisco" for product "Ios Xr"	<= 6.3.3_base Search vendor "Cisco" for product "Ios Xr" and version " <= 6.3.3_base"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 9912 Search vendor "Cisco" for product "Asr 9912"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xr Search vendor "Cisco" for product "Ios Xr"	<= 6.3.3_base Search vendor "Cisco" for product "Ios Xr" and version " <= 6.3.3_base"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 9922 Search vendor "Cisco" for product "Asr 9922"	-	-	Safe