PT-2023-27319 · Silicon · Silicon Labs Trustzone

CVE-2023-4020 · Publicado 2023-12-15 · Atualizado 2024-09-25

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Crítica

Vetor base

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Silicon Labs TrustZone implementation (affected versions not specified)

Description The issue is related to an unvalidated input in a library function that handles communication between secure and non-secure memory in the Silicon Labs TrustZone implementation. This allows for reading and writing of memory in the secure region from the non-secure region.

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

Exploit

Memory Corruption

Out of bounds Read

Enumeração de Fraquezas

CWE-787

CWE-125

Identificadores relacionados

CVE-2023-4020

Produtos afetados

Silicon Labs Trustzone

Referências · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4020.json · Exploit
• https://github.com/SiliconLabs/gecko_sdk/releases · Nota
• https://t.me/cvenotify/63840 · Publicação no Telegram
• https://twitter.com/CVEnew/status/1735946018494222502 · Publicação no Twitter
• https://t.me/cvenotify/64261 · Publicação no Telegram
• https://community.silabs.com/069Vm0000004b95IAA · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2023-4020 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2023-4020 · Aviso do Fabricante