CVE-2021-33478

MEDIUM

6.8

Descricao

The TrustZone implementation in certain Broadcom MediaxChange firmware could allow an unauthenticated, physically proximate attacker to achieve arbitrary code execution in the TrustZone Trusted Execution Environment (TEE) of an affected device. This, for example, affects certain Cisco IP Phone and Wireless IP Phone products before 2021-07-07. Exploitation is possible only when the attacker can disassemble the device in order to control the voltage/current for chip pins.

Detalhes CVE

Pontuacao CVSS v3.16.8

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vetor de ataquePHYSICAL

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado7/22/2021

Ultima modificacao11/21/2024

Fontenvd

Avistamentos honeypot0

Produtos afetados

cisco:ip_phone_8800_firmwarecisco:ip_phone_8800_series_with_multiplatform_firmwarecisco:ip_phone_8811_firmwarecisco:ip_phone_8811_with_multiplatform_firmwarecisco:ip_phone_8841_firmwarecisco:ip_phone_8841_with_multiplatform_firmwarecisco:ip_phone_8845_firmwarecisco:ip_phone_8845_with_multiplatform_firmwarecisco:ip_phone_8851_firmwarecisco:ip_phone_8851_with_multiplatform_firmwarecisco:ip_phone_8861_firmwarecisco:ip_phone_8861_with_multiplatform_firmwarecisco:ip_phone_8865_firmwarecisco:ip_phone_8865_with_multiplatform_firmwarecisco:wireless_ip_phone_8821_firmware

Fraquezas (CWE)

CWE-119

Referencias

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-brcm-mxc-jul2021-26LqUZUh(cve@mitre.org)

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-brcm-mxc-jul2021-26LqUZUh(af854a3a-2127-422b-91ae-364da2661108)

Correlacoes IOC

Sem correlacoes registradas

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