Out-of-bounds read in Windows and Windows Server - CVE-2020-1391
Published: July 14, 2020 / Updated: July 15, 2020
Vulnerability identifier: #VU29811
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2020-1391
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when handling objects in memory within the Windows Agent Activation Runtime (AarSvc). A local user can create a specially crafted application and gain access to memory contents of an elevated process.
Remediation
Install update from vendor's website.