Incorrect calculation in Azure Sphere - #VU47395
Published: October 7, 2020
Vulnerability identifier: #VU47395
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-682
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation issue in the Littlefs Quota functionality. A local user can cause a quota bypass and reboot, resulting in denial of service condition.
Affected software
Azure Sphere
Remediation
Install updates from vendor's website.
Azure Sphere - update to 20.07