PT-2018-2795 · Cisco · Cisco Email Security Appliance+1

Publicado 2018-09-05 · Atualizado 2019-10-09 · CVE-2018-0447

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Média

Vetor base

AV:N/AC:L/Au:N/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions Cisco Email Security Appliance (ESA) (affected versions not specified)

Description A vulnerability in the anti-spam protection mechanisms of Cisco AsyncOS Software for the Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass certain content filters on an affected device. The issue is due to incomplete input and validation checking mechanisms for certain Sender Policy Framework (SPF) messages. An attacker could exploit this by sending a customized SPF packet to an affected device, potentially allowing malicious URLs to pass through the device.

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

Improper Access Control

RCE

Enumeração de Fraquezas

CWE-284

CWE-20

Identificadores relacionados

BDU:2019-01896

CVE-2018-0447

Produtos afetados

Cisco Asyncos

Cisco Email Security Appliance

Referências · 5

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180905-esa-url-bypass · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2018-0447 · Nota de Segurança
• http://securitytracker.com/id/1041687 · Nota
• http://securityfocus.com/bid/105300 · Nota
• https://bdu.fstec.ru/vul/2019-01896 · Nota de Segurança