CVE-2021-33478

MEDIUM

6.8

Description

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.

Details CVE

Score CVSS v3.16.8

SeveriteMEDIUM

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

Vecteur d'attaquePHYSICAL

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie7/22/2021

Derniere modification11/21/2024

Sourcenvd

Observations honeypot0

Produits affectes

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

Faiblesses (CWE)

CWE-119

References

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)

Correlations IOC

Aucune correlation enregistree

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