Use of uninitialized resource in Azure Sphere - #VU47398
Published: October 7, 2020
Vulnerability identifier: #VU47398
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-908
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 attacker to bypass certain security restrictions.
The vulnerability exists due to usage of uninitialized resources in the Littlefs filesystem functionality. A local attacker can use a specially crafted set of syscalls, trigger uninitialized usage of resources and gain access to sensitive information on the system.
Remediation
Install updates from vendor's website.