CVE-2019-1869

Cisco StarOS Denial of Service Vulnerability

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

A vulnerability in the internal packet-processing functionality of the Cisco StarOS operating system running on virtual platforms could allow an unauthenticated, remote attacker to cause an affected device to stop processing traffic, resulting in a denial of service (DoS) condition. The vulnerability is due to a logic error that may occur under specific traffic conditions. An attacker could exploit this vulnerability by sending a series of crafted packets to an affected device. A successful exploit could allow the attacker to prevent the targeted service interface from receiving any traffic, which would lead to a DoS condition on the affected interface. The device may have to be manually reloaded to recover from exploitation of this vulnerability.

Una vulnerabilidad en la funcionalidad internal packet-processing del sistema operativo StarOS de Cisco que se ejecuta en plataformas virtuales podría permitir a un atacante remoto no autenticado hacer que un dispositivo afectado detenga el procesamiento del tráfico, resultando en una condición de denegación de servicio (DoS). Una vulnerabilidad es debido a un error lógico que puede ocurrir en condiciones de tráfico específicas. Un atacante podría explotar esta vulnerabilidad enviando una serie de paquetes creados a un dispositivo afectado. Una explotación con éxito podría permitir que el atacante impida que la interfaz de servicio destino reciba algún tráfico, lo que conllevaría a una condición DoS en la interfaz afectada. Es posible que el dispositivo tenga que volver a cargarse manualmente para recuperarse de la explotación de esta vulnerabilidad.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2018-12-06 CVE Reserved
2019-06-20 CVE Published
2024-11-10 EPSS Updated
2024-11-19 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-824: Access of Uninitialized Pointer

CAPEC

References (2)

URL	Tag	Source
http://www.securityfocus.com/bid/108853	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190619-staros-asr-dos	2019-10-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.6 < 21.6.13 Search vendor "Cisco" for product "Staros" and version " >= 21.6 < 21.6.13"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5000 Search vendor "Cisco" for product "Asr 5000"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.6 < 21.6.13 Search vendor "Cisco" for product "Staros" and version " >= 21.6 < 21.6.13"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.6 < 21.6.13 Search vendor "Cisco" for product "Staros" and version " >= 21.6 < 21.6.13"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5700 Search vendor "Cisco" for product "Asr 5700"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.6b < 21.6b.16 Search vendor "Cisco" for product "Staros" and version " >= 21.6b < 21.6b.16"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5000 Search vendor "Cisco" for product "Asr 5000"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.6b < 21.6b.16 Search vendor "Cisco" for product "Staros" and version " >= 21.6b < 21.6b.16"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.6b < 21.6b.16 Search vendor "Cisco" for product "Staros" and version " >= 21.6b < 21.6b.16"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5700 Search vendor "Cisco" for product "Asr 5700"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.7 < 21.7.11 Search vendor "Cisco" for product "Staros" and version " >= 21.7 < 21.7.11"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5000 Search vendor "Cisco" for product "Asr 5000"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.7 < 21.7.11 Search vendor "Cisco" for product "Staros" and version " >= 21.7 < 21.7.11"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.7 < 21.7.11 Search vendor "Cisco" for product "Staros" and version " >= 21.7 < 21.7.11"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5700 Search vendor "Cisco" for product "Asr 5700"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.8 < 21.8.10 Search vendor "Cisco" for product "Staros" and version " >= 21.8 < 21.8.10"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5000 Search vendor "Cisco" for product "Asr 5000"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.8 < 21.8.10 Search vendor "Cisco" for product "Staros" and version " >= 21.8 < 21.8.10"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.8 < 21.8.10 Search vendor "Cisco" for product "Staros" and version " >= 21.8 < 21.8.10"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5700 Search vendor "Cisco" for product "Asr 5700"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.9 < 21.9.7 Search vendor "Cisco" for product "Staros" and version " >= 21.9 < 21.9.7"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5000 Search vendor "Cisco" for product "Asr 5000"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.9 < 21.9.7 Search vendor "Cisco" for product "Staros" and version " >= 21.9 < 21.9.7"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.9 < 21.9.7 Search vendor "Cisco" for product "Staros" and version " >= 21.9 < 21.9.7"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5700 Search vendor "Cisco" for product "Asr 5700"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.10 < 21.10.2 Search vendor "Cisco" for product "Staros" and version " >= 21.10 < 21.10.2"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5000 Search vendor "Cisco" for product "Asr 5000"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.10 < 21.10.2 Search vendor "Cisco" for product "Staros" and version " >= 21.10 < 21.10.2"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.10 < 21.10.2 Search vendor "Cisco" for product "Staros" and version " >= 21.10 < 21.10.2"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5700 Search vendor "Cisco" for product "Asr 5700"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.11 < 21.11.1 Search vendor "Cisco" for product "Staros" and version " >= 21.11 < 21.11.1"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5000 Search vendor "Cisco" for product "Asr 5000"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.11 < 21.11.1 Search vendor "Cisco" for product "Staros" and version " >= 21.11 < 21.11.1"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5500 Search vendor "Cisco" for product "Asr 5500"	-	-	Safe
Cisco Search vendor "Cisco"	Staros Search vendor "Cisco" for product "Staros"	>= 21.11 < 21.11.1 Search vendor "Cisco" for product "Staros" and version " >= 21.11 < 21.11.1"	-	Affected	in	Cisco Search vendor "Cisco"	Asr 5700 Search vendor "Cisco" for product "Asr 5700"	-	-	Safe