#VU48842 Buffer overflow in Microsoft products - CVE-2020-17123

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Main Vulnerability Database Vulnerabilities #VU48842

#VU48842 Buffer overflow in Microsoft products - CVE-2020-17123

Published: December 8, 2020


Vulnerability identifier: #VU48842
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-17123
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Office Online Server
Microsoft Office
Microsoft Excel
Microsoft Office Web Apps
Software vendor:
Microsoft

Description

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

The vulnerability exists due to a boundary error when processing Microsoft Excel files. A remote attacker can create a specially crafted Excel document, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

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


Remediation

Install updates from vendor's website.

External links