Improper access control in Azure Sphere - #VU47396
Published: October 7, 2020
Vulnerability identifier: #VU47396
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Azure Sphere
Azure Sphere
Detailed vulnerability description
The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in the normal world’s signed code execution functionality. A local user can send a specially crafted AF_PACKET socket and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.