Boletines de Vulnerabilidades

Cisco IOS XR Software Image Verification Vulnerability


Información sobre el sistema

   
Software afectado Cisco

Descripción

A vulnerability in Cisco IOS XR Software image verification checks could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. This vulnerability is due to a time-of-check, time-of-use (TOCTOU) race condition when an install query regarding an ISO image is performed during an install operation that uses an ISO image. An attacker could exploit this vulnerability by modifying an ISO image and then carrying out install requests in parallel. A

More info:

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lnt-L9zOkBz5?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20IOS%20XR%20Software%20Image%20Verification%20Vulnerability&vs_k=1

Identificadores estándar

Propiedad Valor
CVE CVE-2023-20135.

Histórico de versiones

Versión Comentario Fecha
1.0 Advisory issued 2023-09-14

Miembros de

Ministerio de Defensa
CNI
CCN
CCN-CERT