CVE-2017-12303

Severity Score

5.3

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability in the Advanced Malware Protection (AMP) file filtering feature of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to bypass a configured AMP file filtering rule. The file types affected are zipped or archived file types. The vulnerability is due to incorrect and different file hash values when AMP scans the file. An attacker could exploit this vulnerability by sending a crafted email file attachment through the targeted device. An exploit could allow the attacker to bypass a configured AMP file filter. Cisco Bug IDs: CSCvf52943.

Una vulnerabilidad en la característica de filtrado de archivos Advanced Malware Protection (AMP) de Cisco AsyncOS Software para Cisco Web Security Appliance (WSA) podría permitir que un atacante remoto sin autenticar omita una regla de filtrado de archivos AMP configurada. Los tipos de archivo que se han visto afectados son los comprimidos o zip. La vulnerabilidad se debe a los valores hash de archivo incorrectos y diferentes cuando AMP escanea el archivo. Un atacante podría explotar esta vulnerabilidad mediante el envío de un archivo adjunto de correo electrónico manipulado al dispositivo objetivo. Un exploit podría permitir que el atacante omita un filtro de archivos AMP configurado. Cisco Bug IDs: CSCvf52943.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-08-03 CVE Reserved
2017-11-16 CVE Published
2023-05-19 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-358: Improperly Implemented Security Check for Standard

CAPEC

References (3)

URL	Tag	Source
http://www.securityfocus.com/bid/101932	Third Party Advisory
http://www.securitytracker.com/id/1039828	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-wsa	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"		Asyncos Search vendor "Cisco" for product "Asyncos"				10.1.1-234 Search vendor "Cisco" for product "Asyncos" and version "10.1.1-234"		-		Affected
Cisco Search vendor "Cisco"		Asyncos Search vendor "Cisco" for product "Asyncos"				10.1.1-235 Search vendor "Cisco" for product "Asyncos" and version "10.1.1-235"		-		Affected