7.5Alta KEV

CVE-2018-0156Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service Vulnerability

Cisco IOS and IOS XE Publicada: (hace 8 años)

Explotación conocida — Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service Vulnerability

CISA confirmó el 03.03.2022 que esta vulnerabilidad se usa en ataques reales. Plazo para las agencias federales de EE. UU.: 17.03.2022.

Acción requerida: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-0156

Descripción

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted packet to an affected device on TCP port 4786. Only Smart Install client switches are affected. Cisco devices that are configured as a Smart Install director are not affected by this vulnerability. Cisco Bug IDs: CSCvd40673.

Debilidad (CWE): CWE-399CWE-20

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
cisco ios 15.2(2)e4
cisco ios xe 15.2(2)e4
— Cisco IOS and IOS XE Cisco IOS and IOS XE

Referencias y parches

Coincidencias CPE (NVD) (4)

  • cpe:2.3:o:cisco:ios:15.2\(2\)e4:*:*:*:*:*:*:*
  • cpe:2.3:o:cisco:ios:15.2\(2a\)ja:*:*:*:*:*:*:*
  • cpe:2.3:o:cisco:ios_xe:15.2\(2\)e4:*:*:*:*:*:*:*
  • cpe:2.3:o:cisco:ios_xe:15.2\(2a\)ja:*:*:*:*:*:*:*