Out-of-bounds write in Microsoft Windows and Windows Server - CVE-2020-1039

 

Out-of-bounds write in Microsoft Windows and Windows Server - CVE-2020-1039

Published: September 8, 2020 / Updated: September 13, 2020


Vulnerability identifier: #VU46403
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-1039
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the Windows Jet Database Engine when parsing CSV files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds write and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2020-1039

Install update from vendor's website.


External References

Related Security Bulletins