#VU46010 Input validation error in Azure Sphere

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Main Vulnerability Database Vulnerabilities #VU46010

#VU46010 Input validation error in Azure Sphere

Published: August 25, 2020


Vulnerability identifier: #VU46010
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/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-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Azure Sphere
Software vendor:
Microsoft

Description

The vulnerability allows a local attacker to escalate privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input in the "uid_map" functionality. A local attacker can ise a specially crafted uid_map file, cause multiple applications to get the same UID assigned and gain elevated privileges on the target system.


Remediation

Install updates from vendor's website.

External links